JPH01125783A - Disk driving device - Google Patents

Abstract

PURPOSE:To efficiently operate a disk driving part by driving a pair of movable carriages arranged on the outside of the outer periphery of a disk at a constant interval in an up-and-down direction as supplying rotary motion to plural disks held and fixed on the same shaft almost horizontally and at equal intervals. CONSTITUTION:The disk 10 starts to rotate at constant speed by driving a rotary driving source 20 via a rotary shaft 17, and simultaneously, the movable carriage 27 is moved to the position of a required disk 10 by driving a rotary driving source 38 via a feed screw 32, and next, a head mechanism 25 is moved in the inside of the disk 10, then, the reading and writing work of information is started between the disk 10. And when the work of the head mechanism 25 is completed, a head mechanism 26 is moved in the inside of the disk 10, and the reading and writing work of the information is started between the disk 10. Simultaneously, the head mechanism 25 is retreated from the inside of the disk 10, and is moved to the position of the next required disk 10 with the movable carriage 27. In such a way, it is possible to move the device efficiently.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a disk drive device, and more particularly to a large-capacity disk drive device that stores a plurality of optical disks and is applied to reading and writing information.

[Prior Art] Conventionally, this type of disk drive device includes a storage shelf that stores disks horizontally or vertically at regular intervals, and a storage shelf that is placed below the storage shelf to rotate the disk and read or write information. and a transport mechanism disposed adjacent to the storage shelf and the disk drive to transport the discs between the storage shelf and the disk drive.

[Problems to be Solved by the Invention] In the conventional disk drive device described above, the storage shelf section and the disk drive section are fixedly arranged, so handling of disks between the storage shelf section and the disk drive section is difficult. A transport mechanism is required to carry out this process. In addition, since the transport mechanism handles the disc, the method for replacing the disc is
After the transport mechanism returns the disk mounted in the disk drive unit to its original position on the storage shelf, the required disk is removed and loaded into the disk drive unit again. As a result, it takes longer to replace the disk. However, there is a drawback that the down time of the disk drive section is also increased.

[Means for Solving the Problems] The present invention has been made in order to solve the above-mentioned problems of the conventional art. A spindle mechanism that is fixed to the disk and provides rotational motion to the disks, and a pair of moving tables that are equipped with a head mechanism that is movable in the radial direction of the disks and are arranged at regular intervals outside the outer periphery of the disks. The present invention provides a disk drive device characterized in that it is equipped with a feeding mechanism connected to each of these movable tables and driven in the vertical direction.

[Embodiments] Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of a disk drive device according to an embodiment of the present invention, and FIGS. 2 and 3 are a plan view and a partial view of the disk drive device of FIG. 1.

The disk IO has a central hole 11 and has a disk-like outer shape.

The spindle mechanism 15 holds and fixes the disks 10 concentrically substantially horizontally and at equal intervals through the center hole 11. The spindle mechanism 15 has an outer diameter 16 that fits into the center hole 11 of the disk 10, and a rotating shaft 17 for rotating the disk 10 arranged vertically, and a rotating shaft 17 that alternately inserts the disks 10 into the rotating shaft 17 to rotate the disk 10. It is composed of hollow rings 19 kept at equal intervals and a rotation drive source 20 concentrically connected to the lower end of the rotation shaft 17.

The head mechanisms 25 and 26 are used to read and write information to and from the disk 10, and are movable in the radial direction of the disk 10 and include movable platforms 27 disposed at regular intervals outside the outer periphery of the disk 10. Each is mounted on a .28.

The feed mechanism 30.31 is for driving the head mechanism 25.26 up and down via the moving table 27.28, and feed screws 32.33 are arranged vertically in pairs with the moving table 27.28. and guide shafts 34 and 35 forming a sliding pair,
The rotary drive source 38,39 is connected to the upper end 36,37 of each feed screw 32,33.

Next, the operation of the disk drive device will be explained.

4 to 6 are front views showing the operating state. FIG. 4 shows the state at the start of operation, FIG. 5 shows the operating state of the head mechanism 25, and FIG. 6 shows the operating state of the head mechanism 26.

1 to 4, when a work start command is issued from a central control unit (not shown), the disk 10 starts rotating at a predetermined speed via the rotating shaft 17 by the rotational drive source 20. At the same time, the moving table 27 is driven by the rotary drive source 38 to move to the desired position of the disk IO via the feed screw 32, and then, as shown in FIG.
moves inside the disk 10 and starts reading and writing information to and from the disk 10. Next, the moving platform 28
is moved to the position of the next disk 10 via the feed screw 33 by the drive of the rotational drive source 39, and enters a standby state.

When the work of the head mechanism 25 is completed, the head mechanism 26 moves inside the disk 10 as shown in FIG. 6, and starts reading and writing information to and from the disk 10.

At the same time, the head mechanism 25 retreats from the inside of the disk 10 and, together with the moving table 27, moves to the next required disk 1.
Move to position 0.

By repeating this operation, all required information reading and writing operations can be completed.

Further, when each of the movable tables 27, 28 returns to its original position as shown in FIG. 4 and the spindle mechanism 15 stops rotating, the entire operation ends.

Although six disks 10 are mounted in this embodiment, it is clear that this is not the only intention and any number of disks can be mounted as needed.

[Effects of the Invention] As explained above, the disk drive device of the present invention has
Because it has a structure with many disks, it has the advantage of being able to store a large amount of information. In addition, since the head mechanisms are provided in pairs and each moves independently, there is no need for a transport mechanism to handle the disks, which has the effect of significantly simplifying the structure and reducing the weight of the device. be. Furthermore, since reading and writing of information can be performed continuously across disks, work loss during disk replacement can be reduced, and this fruiting device can be operated extremely efficiently. There is an effect.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing one embodiment of the disk drive device of the present invention, FIGS. 2 and 3 are a plan view and a sectional view of the disk drive device of FIG. 1, and FIGS. 4 to 6 2 is a front view showing the operating state of the disk drive device of FIG. 1. FIG. 10: Disk 1 construction: Center hole 15 Nispindle mechanism 16: Outer diameter 17: Rotating shaft 19: Ring 20. 38. 39 + rotational drive source 25. 26: Head mechanism 27. 28: Moving table 30. 31: Feeding mechanism 32 .33: Feed screw 34.35: Guide shaft

Claims (1)

[Claims] It is equipped with a spindle mechanism that holds and fixes a plurality of disks each having a center hole on the same axis approximately horizontally and at regular intervals, and that provides rotational motion to these disks, and a head mechanism that is movable in the radial direction of the disks. A disk drive device comprising: a pair of movable bases arranged at a constant interval on the outside of the outer periphery; and a feeding mechanism connected to each of these movable bases and driven in the vertical direction.