JP3097306B2 - Disk cleaning device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk cleaning apparatus for brush cleaning a disk constituting an information recording medium comprising an annular plate, such as a magnetic disk and an optical disk.

[0002]

2. Description of the Related Art For example, in a manufacturing process of a magnetic disk, a surface polishing process is performed a plurality of times before or after forming a magnetic recording film. In addition, the disk must be cleaned each time this polishing is performed. Typical examples of the disk cleaning method include ultrasonic cleaning and brush cleaning. Ultrasonic cleaning involves placing a large number of discs in a magazine and immersing them in an ultrasonic cleaning tank to clean them. The inner and outer edges are rubbed accordingly. These ultrasonic cleaning and brush cleaning are properly used depending on the purpose, and if possible and necessary, both types of cleaning may be performed.

[0003] When brush cleaning is performed, usually, a single disk is supported by a chuck means, and a brush such as a sponge is brought into contact with the front and back surfaces of the disk, and the brush is driven to rotate, whereby the front and back surfaces of the disk are both driven. In general, the disk itself is rotated by the rotational force, and the entire surface of the disk is rubbed with a brush to clean the disk.

[0004]

By the way, as described above, when the disk is brush-washed one by one, the cleaning efficiency is not always good. Therefore, it is conceivable that a configuration is adopted in which a plurality of disks are simultaneously brush-cleaned. However, since the brush must be slid on both the front and back surfaces of each disk, the distance between the disks must be increased. In addition, since the number of brushes increases, the configuration of the cleaning device increases. Further, a plurality of disks must be transferred simultaneously to the disk support means provided in the cleaning device. However, if the number of disks to be processed simultaneously is increased, the length of the chuck means constituting the transfer means becomes longer. And the strength is reduced.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art. It is an object of the present invention to efficiently brush a large number of disks with a simple and compact structure. The purpose is to be able to perform cleaning.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a method for rotating both sides of a plurality of disks.
Cleaning by sliding the roll brush
Cleaning devices, each mounted on a rotating shaft,
With no gaps, multiple units are arranged in a predetermined direction
Roll brush and multiple rolls arranged in this way
The rotation axis of the brush is set so that adjacent rotation axes are in opposite directions.
Rotating drive means for rotating the roll brushes, and a position between the roll brushes.
Chuck hand that rotatably supports a predetermined number of discs
A step, the roll brush and the chuck means,
Each disc is positioned adjacent to one of the roll brushes.
Operating position to be sandwiched between
Relative to the retracted position where the disc is separated from the roll brush.
And a displacement means for reciprocating displacement .

[0007]

[Function] A plurality of roll brushes are almost
Install without any . Then, the disk is supported by the disk supporting means by an appropriate transfer means. Then, a roll brush is inserted between the disks. by this,
The roll brushes at both ends contact only one disk, while the remaining roll brushes contact adjacent disks. Therefore, when these roll brushes are rotated one by one in the opposite direction, it is natural that these roll brushes come into sliding contact with the surface of the disk, and the disks are rotated one by one in the opposite direction. . Therefore, during this time, the entire front and back surfaces of each disk are cleaned without corners.

As described above, the roll brushes are arranged adjacent to each other.
By so as to abut against the disc, Russia
The number of brushes is one less than the number of discs to be cleaned
It is sufficient to increase the number, and thus the number can be significantly reduced, and simplification of the structure of the cleaning device is achieved. Further, if the outer diameter of the roll brush is made as small as possible to the extent that the cleaning efficiency is not reduced, the disk interval can be reduced, and as a result, the cleaning device can be reduced in size and size. The structure of the transfer means for loading and unloading the disk into and out of the cleaning device is also simplified, and the strength of the chuck means is improved.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. First, FIG. 1 shows the overall configuration of the disk cleaning apparatus, FIG. 2 shows a plan view thereof, and FIG.
The X section is shown respectively. In these figures, reference numeral 1 denotes a disk to be cleaned, and a plurality of disks 1 are arranged at a predetermined pitch. These discs 1 are rotatably supported by chucking at three points by chucking means 2. Chuck means 2
Is the same number of positioning V's as the number of discs 1 to be simultaneously cleaned on three long rods 3 at a predetermined pitch interval.
It has chuck pieces 4a, 4b, 4c in which grooves are formed, the lower chuck piece 4a is a fixed chuck piece, and the other two chuck pieces 4b, 4c are mounted on the elevating plate 5, It is a movable chuck piece that can be displaced in the vertical direction by a lifting drive means (not shown). Therefore, the lifting plate 5 is held at the raised position, and the disk 1 is chucked by the disk transfer means 6 at one point on the inner circumference and two points on the outer circumference, and is carried into a position where the disk 1 can be chucked by the chucking means 2. Then, the disk 1 is chucked by the chucking means 2 by lowering the elevating plate 5 and bringing the movable chuck pieces 4b and 4c into contact with the disk 1. When the disk 1 is chucked by the chuck means 2, the disk transfer means 6 is separated from the disk 1.

[0010] Next, 10 denotes a roll brush, the roll brush 10 is made of sponge or the like, provided corresponding to the number one more than the number of the disk 1 to be cleaned at the same time, each of these roll brush 10 is substantially gap respectively It is arranged in no state. Each of the roll brushes 10 is mounted on a rotating shaft 11, and each of the rotating shafts 11 is rotatably supported by a support arm 13 connected to a swing block 12.
Each of the rotating shafts 11 extends through the support arm 13, and a gear 14 is connected to a distal end thereof. The adjacent gears 14 and 14 are in mesh with each other,
Among these gears 14, a gear 14a located in the middle is a drive gear. When the drive gear 14a is driven to rotate, the gears located on both sides of the gear 14 rotate in opposite directions, and are further engaged with these gears. But in the opposite direction,
That is, it rotates in the same direction as the drive gear 14a. Now, assuming that the gear 14a is rotated in the direction indicated by the arrow a in FIG. 2, the roll brush 10 located at the center is in the a direction, the two adjacent roll brushes are in the b direction, and the two adjacent roll brushes are in the a direction. Thus, the adjacent roll brushes rotate in opposite directions.

To rotate the gear 14a, a pulley 15 is connected to a rotating shaft 11a to which the gear 14a is attached. A motor 16 is mounted on the movable block 12. A pulley 17 is attached to an output shaft of the motor 16, and a timing belt 18 is provided between the pulleys 15 and 17. Therefore, when the motor 16 is operated, the pulley 17 rotates,
This rotation is transmitted to the pulley 15 via the timing belt 18, the rotation shaft 11a to which the pulley 15 is attached rotates, the roll brush 10 attached thereto rotates, and each gear 14 meshing with the gear 14a is The other roll brushes 10 rotate sequentially, and the other roll brushes 10 rotate sequentially.
Therefore, it includes the driving gear 14a and is provided on each rotating shaft 11.
A gear 14 and a motor 16 for rotationally driving a drive gear 14a
Thus, a rotation driving unit is configured.

The roll brush 10 has a retracted position separated from the disk 1 rotatably supported by the chuck means 2, and the disk 1 is sandwiched between the adjacent roll brushes 10, 10. It can be displaced between the operating position where cleaning is performed. For this purpose, the swing block 12 on which the roll brush 10, the motor 16, and the like are mounted is connected to a swing shaft 19, and by swinging the swing shaft 19 back and forth by a predetermined angle,
1 is reciprocated between an operating position indicated by a solid line and a retracted position indicated by a virtual line. Obedience
The roll block 12 and the swing shaft 19
10 relative to the disc 1 between the operating position and the retracted position
Displacement means for performing a reciprocal displacement is constructed.

Reference numeral 20 denotes an edge brush. The edge brush 20 is located at a position close to a fixed-side chuck piece 4a constituting the chucking means 2, and the disk 1
When the disk 1 is mounted on the chucking means 2, the outer peripheral edge of the disk 1 is brought into contact with the edge brush 20. The edge brush 20 is mounted on a rotating shaft 21 as shown in FIG. 3, and the rotating shaft 21 is rotationally driven by a forward / reverse rotating motor 22 via a belt transmission mechanism. Further, a cam portion 23 is formed on the rotating shaft 21, and a cam follower 24 is engaged with the cam portion 23. The cam mechanism causes the edge brush 20 to move between the adjacent disks 1, 1. It is designed to be moved back and forth with a slightly shorter stroke.

Further, 25a and 25b indicate showers,
The showers 25 a and 25 b are rod-shaped and provided with a plurality of liquid ejection ports in the direction in which the plurality of discs 1 are chucked by the chucking means 2. It can be supplied.

This embodiment has the above configuration, and a plurality of disks 1 to be cleaned at the same time by the disk transfer means 6 are chucked at predetermined pitch intervals and carried into the cleaning position. Here, the pitch interval between the disks 1 may be an interval that can sandwich one roll brush 10, so that if the roll brush 10 is made as small as possible in diameter to the extent that the cleaning efficiency is not reduced,
The pitch interval of the disk 1 can be made extremely narrow. Since the disc transfer means 6 supports the disc 1 in a cantilever state, the disc transfer means 6 is deformed even if a considerable number of discs 1 are chucked by shortening the pitch interval of the discs 1. Etc., and has sufficient strength.

The disks 1 are carried into a predetermined position by the disk transfer means 6, and each disk 1 is engaged with a fixed chuck piece 4a. Then, by lowering the elevating plate 5, the chuck pieces 4b and 4c are engaged with the respective disks 1. As a result, all the disks 1 of the number to be simultaneously cleaned by the chucking means 2 are chucked. Then, the disk transfer means 6 is detached from the disk 1.
In this state, the roll brush 10 is held at the retracted position. The outer peripheral edge of each disk 1 abuts on the edge brush 20.

Then, the swing shaft 19 is operated to swing the swing block 12 in the direction in which the roll brush 10 mounted on the support arm 13 comes into contact with the disk 1. Thus, the disk 1 is sandwiched between the adjacent roll brushes 10. The disc 1 is pinched by the roll brush 10 when the tip of the roll brush 10 is
Is located inside the inner peripheral edge of. In this state, the cleaning liquid is supplied to the disk 1 by ejecting the cleaning liquid from the showers 25a and 25b. Then, the motor 16 is operated. As a result, the drive gear 14a rotates, and the gears on both sides thereof and the gears on both sides thereof rotate in this order. As a result, the adjacent roll brushes 10 rotate in directions opposite to each other, and the brush cleaning of the front and back surfaces of the disk 1 is started.

Here, as shown by the arrow in FIG. 2, the disk 1 is rotated in the opposite direction by the rotation of the roll brush 10, so that the whole of the front and back surfaces of the disk 1 is brushed. Washed. At the same time, the edge brush 20 is rotated by the forward / reverse rotation motor 22. The rotation of the edge brush 20 is only made to rotate once in one direction and once in the opposite direction in one washing operation. Thus, the outer peripheral edge of the disk 1 rotating in both directions can be uniformly cleaned while exerting a predetermined sliding resistance on the outer peripheral edge of the disk 1. In addition, when the edge brush 20 is rotated in this manner, the rotation resistance of the disk 1 rotating in the direction opposite to the rotation direction of the edge brush 20 is increased, and the cleaning effect of the roll brush 10 is also improved. In addition, since the edge brush 20 is moved back and forth, it is possible to prevent inconveniences such as wear of the whole of the edge brush substantially uniformly, occurrence of uneven wear and the like, and to extend its life. The cleaning liquid supplied between the roll brush 10 and the adjacent disks 1 and 1 with which the roll brush 10 is in sliding contact is applied to the roll brush 10 on both contact surfaces of the roll brush 10 and the disk 1. The cleaning liquid easily flows out on the side where the rotating direction of the brush 10 coincides with the direction of the shower. However, the outflow is prevented to some extent at the part corresponding to the opposite side. The effect is improved.

When the cleaning of the disk 1 is completed, the disk 1 after cleaning is simultaneously carried into the next step (for example, a drying step or an ultrasonic cleaning step) by the same means as the disk transfer means 6, and is cleaned again. The disk 1 to be transferred is transferred to the chuck means 2 by the disk transfer means 6.

[0020]

As described above, according to the present invention, a roll brush is sandwiched between a plurality of disks rotatably supported, and adjacent roll brushes are rotated in opposite directions to each other. Since the entire surface of the disc is cleaned while applying rotational force to the disc, the number of roll brushes for brush cleaning both sides of the disc is significant.
Since the space between the disks only needs to be provided with a space for one roll brush, the space between the disks can be significantly reduced, and a large number of disks can be brushed simultaneously by a simple, compact and compact configuration. Cleaning can be performed, and cleaning efficiency is significantly improved.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of an entire configuration of a disk cleaning device.

FIG. 2 is a plan view of FIG.

FIG. 3 is a sectional view taken along line XX of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Disc 2 Chuck means 4a, 4b, 4c Chuck piece 5 Lifting plate 10 Roll brush 11 Rotary shaft 12 Swing block 13 Support arm 14 Gear

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) G11B 23/50 B05C 1/02 101 B08B 1/04 G11B 5/84 G11B 7/26

Claims (4)

(57) [Claims] 1. Rotating both sides of a plurality of discs
A disc that is cleaned by sliding it against a roll brush
In the cleaning device, each is attached to the rotating shaft and there is almost no gap.
A plurality of roll brushes arranged side by side in a predetermined direction, and the rotation axis of the plurality of roll brushes arranged in this way,
Rotary drive in which adjacent rotating axes rotate in opposite directions
Means and a predetermined number of discs are rotated between the roll brushes
A chuck means for freely supporting the roll brush and the chuck means;
Rolls are adjacent rolls of the roll brushes.
The operating position to be sandwiched between the
Reciprocating relative to the retracted position separated from the roll brush
And a displacement means for displacing the disc. 2. The apparatus according to claim 1, wherein an edge washing brush is brought into contact with an outer peripheral edge of each of said discs, and said edge washing brush is rotated forward and reverse at a speed lower than a rotation speed of said roll brush. Disk cleaning equipment. 3. The apparatus according to claim 2, wherein said rotation drive means is provided on each rotation shaft.
Each gear is provided, and among these gears,
The gears of the rotating shaft are engaged with each other,
One of the gears is rotationally driven by a motor;
The disk according to claim 1, wherein
Cleaning equipment. 4. The roll brush according to claim 1, wherein
Consists of a rocking block equipped with
Moves each roll brush to the operating position and retracts around the swing axis
It is characterized in that it is configured to reciprocate with the device
2. The disk cleaning device according to claim 1, wherein: