JPH06251488A - Optical disk device - Google Patents

Abstract

PURPOSE:To improve the working efficiency at the time of inserting and discharging cartridges and to miniaturize and simplify the device. CONSTITUTION:A mechanism section 10 which freely attachably and detachably clamps, transports, turns rear side front a magazine 6 housing the plural cartridges 7 and discharges and houses the cartridges' in the magazine is disposed within the front half of a housing. A driving device which records and reproduces optical disks and a control section which is connected to this mechanism section and controls the operation of the mechanism section and executes processing of recording and reproducing signals by being connected to this driving device are disposed at the rear half of this housing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical disk device, and more particularly to a large-capacity optical disk applicable to recording and reproducing information of an optical disk in a selected cartridge by aligning and storing a plurality of cartridges containing the optical disk. Regarding the device.

[0002]

2. Description of the Related Art Conventionally, when a large-capacity memory is required in this type of optical disk device, a worker replaces the cartridge by using a single-disk type optical disk device to increase the apparent memory capacity. Method, or a storage shelf for storing a plurality of cartridges in a horizontal state in the vertical direction at regular intervals in a rectangular parallelepiped housing, and arranged below the storage shelf,
A drive device that records and reproduces information on the optical disc in the cartridge, and a transport mechanism that is placed adjacent to the storage shelf and the drive device and horizontally, front-back rotation, and vertical transport of the cartridge between the storage shelf and the drive device. It is structured so that the cartridge of the storage shelf is transported to the drive device by the transport mechanism while rotating the front and back as necessary, inserted and processed for recording and reproduction, and after processing, transported from the drive device to the original storage rack again. , A method of using an automatic exchange type optical disk device for storing has been adopted.

[0003]

In the above-mentioned conventional method, the method in which the operator replaces the cartridge requires the operator to insert and eject the cartridge, which increases the burden on the operator and increases the work efficiency. Cause a decrease in Also, when using an automatic optical disc drive with cartridge replacement, the number of cartridges that can be stored is about 20, and if only a few cartridges are needed, the device becomes too large. In addition, there is a drawback that the floor area usage efficiency is very poor.

Therefore, the present invention aims to improve the drawbacks of the above-mentioned conventional techniques, improve the working efficiency, and reduce the size and simplification of the apparatus.

[0005]

The present invention adopts the following means in order to solve the above problems.

(1) In an optical disk device that stores a plurality of cartridges each containing an optical disk and records / reproduces information of the optical disk in the selected cartridge, a case having a rectangular parallelepiped outer shape and an optical disk in the rear half of the case are provided. A drive device for recording / reproducing and an L-shaped cross-section in the front half, which is supported movably in the left-right direction, can hold a plurality of cartridges, has a rectangular parallelepiped shape, and holds a magazine having a holding groove on one surface. A transport mechanism having a rotating mechanism arranged for rotation on the upper side, a drive mechanism having a transport mechanism disposed on the lower side of the transport mechanism, the output unit being coupled to the transport mechanism, and moving the transport mechanism together with the magazine, the drive device and the transport mechanism. And the cartridge in the magazine is inserted into the drive device.
A mechanism unit composed of a loading mechanism for discharging and a mechanism unit disposed in the rear half of the housing and connected to the mechanism unit to control the operation of the mechanism unit, and connected to a drive device to control the operation and process a recording / reproducing signal. An optical disk device having a control section for performing the operation.

(2) The optical disk according to (1), which is located on the side surface of the device, has a U-shape toward the inside of the device, and is provided with a holding mechanism for gripping and positioning the magazine transferred from the transport mechanism. apparatus.

(3) The corner portion of the L-shaped transport mechanism is rotatably connected and supported by the rotation shaft, and the rotation mechanism for gripping and rotating the magazine is provided with a mechanism portion that tilts in the front-rear direction. The optical disk device according to (1) above.

(4) A rotating cylinder having a cylindrical shape and having a square hole for inserting a magazine in the thrust direction along the axial center, and a frame having a rectangular parallelepiped shape and surrounding the rotating cylinder. The optical disc device according to (1), further comprising: a holding roller disposed at a corner of the hood at a position in contact with the rotary cylinder; and a mechanism portion including a drive roller.

[0010]

Embodiments of the present invention will now be described with reference to the drawings.

As shown in FIGS. 1 and 2, an optical disk device 1 according to an embodiment of the present invention includes a housing 2 having a rectangular parallelepiped outer shape.
A front mask 3 having a door 4 for loading and unloading a magazine 6 which will be described later on the front surface of the housing 2, a mechanical section 10 which will be described later arranged on the front half of the housing 2, and an optical disk arranged on the rear half. Drive device 11 for recording / reproducing data, and a fixed roller that is located above the input port of the cartridge 7 of the drive device 11, has an L shape, and has two rollers at one end, and one end fixed to the housing 2. The mechanism 14, the control unit 12 arranged on the right side when viewed from the front of the drive unit 11 and for controlling the mechanism unit 10, and the fan 13 and the fan 13 arranged inside the rear of the housing 2 for sending air into the inside. Located behind, fan 1
It consists of a filter 5 for cleaning the air from 3.

As shown in FIG. 3 ((a) is a single unit, (b) is a cartridge after being inserted), a magazine 6 having a hollow inside and a rectangular parallelepiped shape is arranged in the rear inside and has a U-shape. , A cartridge spring 20 for gripping a cartridge, a grip hole 21 arranged on the upper and lower sides of the outside for positioning and fixing the magazine, and a grip hole 21 on the rear outer center so as to face the upper and lower sides to hold the magazine during rotation. And a V-groove 23, which is disposed above and below the gripping groove 22 so as to face each other and positions the magazine during rotation.

As a first embodiment, as shown in FIG. 4, FIG. 5, FIG. 6, and FIG. 7, the mechanism portion 10 is arranged on the lower side and serves as the base of each portion, and the cartridge 7 of the drive device 11. The M / D motor 33, which is located below the input port of the cartridge, has an L shape, and is a drive source for moving the cartridge back and forth at one end,
A drive roller 34 that is fixed to the output shaft of the / D motor 33 and that transmits the output to the cartridge 7 is arranged, and has a long hole (not shown) at the other end and is swingably attached to the front portion of the base 31. Mounted mounting mechanism 32 and mounting mechanism 32
Located on the lower side, the side surface of which is fixed to the base 31, and the output shaft 36 is coupled to the slot of the mounting mechanism 32.
The loading mechanism 30 including the D solenoid 35 and one end (lower part) of the L-shaped transfer arm 50 at the base 31.
By the two linear shafts 43 fixed to the left and right, the latch shaft 51 is movably fixed only in the left-right direction, and is rotatably fixed to the center of the other end (upper part), and is fixed to the tip of the latch shaft 51. A pulley 52, an A / B motor 54 fixed to the side surface and horizontally fixed to the tip of an L-shaped motor plate 53, and a pulley 55 fixed to the output shaft of the A / B motor 54, Pulley 5
2 and a belt 56 attached to the pulley 55, and one each above and below the latch shaft 51, which are symmetrically arranged and have an L-shape, and a roller 59 rotatably fixed to one end is arranged, and one end is provided with the roller 59. A magazine latch 58 having a spring 57, which will be described later, is rotatably fixed at the central portion, and a transport mechanism 40 having a spring 57 having one end fixed and the other end pulling the magazine latch 58, and a transport mechanism 40. An X motor 41, which is located below the mechanism 40, has a pulley 42 attached to the output shaft and is fixed to the lower surface of the base 31, and a pulley 42.
A drive mechanism 37 including a pulley 44 rotatably fixed by a base 31 and a part of the pulley 44 and a belt 45 systematically attached to the pulley 44 at a position opposed to the transport mechanism 40; A lock solenoid 62 having an output shaft 63 for attaching and detaching a magazine, which is fixed to the side surface of the apparatus and is attached to the lower central portion of a U-shaped stage 61.
(See FIG. 5) and the spring 6 arranged to push the output shaft upwards around the outside of the output shaft 63.
4 is composed of a holding mechanism 60.

Next, the operation of the first embodiment of the optical disc apparatus of the present invention configured as described above will be described with reference to the drawings.

The optical disk device is powered on. Next, when inserting the magazine 6, a plurality of cartridges 7 are inserted into the magazine 6 (see FIG. 3B), the door 4 is opened, and the magazine 6 is inserted into the holding mechanism 60 in the mechanism unit 10. At this time, the tip of the output shaft 63 of the lock solenoid 62 in the holding mechanism 60 enters the holding hole 21 of the magazine to fix and position the magazine 6. On the contrary, when ejecting magazine 6,
The lock solenoid 62 in the holding mechanism 60 is excited to lower the output shaft 63 and free the magazine 6. In this state, it can be ejected by opening the door 4 and pulling out the magazine.

From the holding mechanism 60 of the magazine 6 to the transport mechanism 4
The movement to 0 (see FIGS. 5a, 5b, and 5c) is performed by first using the drive mechanism 37 from the state a (the state where the magazine 6 is held by the holding mechanism 60 immediately after the magazine 6 is loaded). 40 is moved to the position of magazine 6. The method is as follows. First, the X motor 41 is driven, the pulley 42 connected thereto is rotated, and the belt 4 attached to the pulley 44 is connected.
The transport mechanism 40 is moved along the linear shaft 43 via the line 5.

By the moving method of the transport mechanism 40 described above, the transport mechanism 40 is moved to the holding mechanism 60 side, and the grip groove 22 of the magazine 6 is moved to the latch shaft 5 of the transport mechanism 40.
1 and is gripped in the front / rear and up / down directions, and the magazine 6
The magazine latch 58 of the transport mechanism 40 is point B in the V groove 23 of
The upper and lower rollers 59 rotate around the
It is fixed vertically and horizontally by the pulling force of b.
It becomes a state. Next, the lock solenoid 6 in the stage 61
2 is excited and the output shaft 63 is pulled downward. In this state, when the transport mechanism 40 is moved to the right (see FIG. 5), the magazine 6 is held by the transport mechanism 40, so that the magazine 6 is in the c state, and the movement is completed.

In the method of inserting the cartridge 7 into the drive device and ejecting it into the magazine 6 using the loading mechanism 30 (see FIG. 6), first, an electric current is passed through the M / D solenoid 35 to excite it, and the output shaft 36 Adsorb. At this time, the mount mechanism 32, one end of which is connected to the output shaft, rotates about the point A and is fixed to the other end of the mount mechanism 32.
/ D The motor 33 and the drive roller 34 are moved upward. At this time, the drive roller 34 comes into contact with the cartridge 7 and pushes up the cartridge 7 to bring it into contact with the roller of the fixed roller mechanism 14 to hold the cartridge 7. When the M / D motor 33 is driven in this state, the drive roller 34 rotates and the cartridge 7 can be loaded into the drive device 11 by the frictional force. After the loading is completed (the cartridge 11 shown by the dotted line in FIG. 6), when the powers of the M / D motor 33 and the M / D solenoid 35 are turned off, M / D
The D motor 33 stops, and the mount mechanism 32 returns to its original position by its own weight. After that, the cartridge 7 is driven by the automatic loading mechanism (not shown) of the drive device 11.
Are mounted in the drive device 11. Cartridge 7
The discharging operation of is the opposite of the insertion, and first, the drive device 11
The automatic loading mechanism (not shown) of FIG.
The cartridge 11 is ejected to the position indicated by the dotted line.
Next, the M / D solenoid 35 is excited and the fixed roller 1
4 and the driving roller 34, the M / D motor 33 is rotated in reverse to the time of insertion, and the cartridge 11 is ejected to the magazine 6.

Reversing the magazine 6 (see FIGS. 7a, 7b, 7c)
First, when the A / B motor 54 is driven, the pulley 5
The belt 56 is moved via 5 to rotate the pulley 52. The latch shaft 51 interlocked with the pulley 52 rotates around the point C, and the magazine 6 held by the latch shaft 51 also rotates over the magazine latch 58.
A / B motor 5 when magazine 6 rotates 180 degrees
4 is stopped, the roller 59 attached to the magazine latch 58 again enters the V groove 23 of the magazine 6 to be in the c state, and the reversing operation is completed.

As a second embodiment, as shown in FIGS. 8 and 9, the mechanism portion 68 is located on the lower side and has an I-shape.
An arm base 72 fixed by a linear shaft 43 so as to be movable only in the left-right direction, and a bar-shaped upper and lower, which is fixed to the front end of the arm base 72 on the front side of the apparatus so as to be rotatable forward by 90 degrees, and has a bar-shaped turn arm. A latch shaft 51 rotatably fixed to the center of 71,
A pulley 52 fixed to the tip of the latch shaft 51,
L-shaped motor plate 5 fixed to the side surface
A / B motor 54 fixed horizontally at the tip of
The pulley 55 fixed to the output shaft of the B motor 54, the pulleys 52 and the belt 56 attached to the pulley 55, and one each above and below the latch shaft 51 are symmetrically located and have an L-shaped shape. A roller 59 fixed rotatably to the inside, a spring 57 described later to one end, and a magazine latch 58 fixed rotatably at the center, and one end fixed and the magazine latch 58 pulled at the other end. The transport mechanism 69 is composed of a rotating mechanism 70 having a spring 57 arranged in the above and a drive mechanism of the first embodiment.

Regarding the loading / unloading operation of the magazine 6, FIG.
Describing with reference to FIG. 1, first, the door 4 is opened, and the rotation mechanism 70 is bent to the front side 90 degrees about the point D and brought into the a state. Next, a plurality of cartridges 7 are inserted into the magazine 6 (see FIG. 3b), mounted on the rotating mechanism 70, and in the b state (the holding groove 22 of the magazine 6 is the latch shaft 5 of the transport mechanism 40).
1 and is gripped in the front / rear and up / down directions, and the magazine 6
The magazine latch 58 of the transport mechanism 40 is point B in the V groove 23 of
The upper and lower rollers 59 rotate around the
It is fixed in the vertical and horizontal directions by the pulling force of 7.). Next, when the rotating mechanism 70 is rotated 90 degrees together with the magazine 6, the state becomes c and the inserting operation is completed.
The discharging operation may be the reverse of the inserting operation.

The operation other than the above-mentioned operation is the same as that of the first embodiment.

As a third embodiment, as shown in FIGS. 10 and 11, the mechanism portion 79 has a rectangular parallelepiped shape, and has a hollow frame 82, and is rotatably fixed at seven corners of the frame. A holding roller 85, a driving roller 84 located at the other one corner and attached to the tip of an A / B motor 83, which will be described later, and an A / B motor 83 that is the power of the driving roller.
It has a cylindrical shape, has a square hole 89 in the plane portion, and the curved portion is positioned so as to contact the inside of the holding roller 85 and the driving roller 84, and the central portion of the lower portion of the rectangular hole 89 of the rotating barrel 81 is positioned. Then, the output shaft 8 described later is provided inside the square hole 89.
8, a lock solenoid 86 positioned so as to output 8, an output shaft 88 which is an output shaft of the lock solenoid 86, and a spring 87 arranged so as to push the output shaft 88 upward. The transport mechanism 80 is movably fixed, and the drive mechanism of the first embodiment is used.

The operation will be described with reference to FIG.
To insert the magazine 6, a plurality of cartridges 7 are inserted into the magazine 6 (see FIG. 3B), the door 4 is opened, and the magazine 6 is inserted into the rotary cylinder 81 of the transport mechanism 80 in the mechanism unit 10. At this time, the transport mechanism 80 is inserted in the grip hole 21 of the magazine.
The tip of the output shaft 88 of the lock solenoid 86 inside is inserted to fix and position the magazine 6. On the contrary, when ejecting the magazine 6, the lock solenoid 86 in the transport mechanism 80 is excited, the output shaft 88 is lowered, and the magazine 6 is ejected.
Free. In this state, it can be discharged by opening the door 4 and pulling out the magazine 6.

The movement operation of the transport mechanism 80 and the insertion / ejection operation of the cartridge 7 into / from the drive device are the same as those in the first embodiment.

The reversing operation of the magazine 6 (see FIG. 11) is
The A / B motor 83 with the magazine 6 inserted in the rotary cylinder 81
Is driven to rotate the drive roller 84. Rotating cylinder 81
Is in contact with the drive roller 84 and therefore rotates due to friction. When the rotary cylinder 81 has rotated 180 degrees, the A / B motor 83 is stopped and the reversing operation is completed.

In each of the three embodiments described above,
By combining the operations, the insertion / ejection of the magazine 6 and the replacement of the cartridge 7 (including the A / B surface replacement) can be performed.

[0028]

As described above, in the optical disk device of the present invention, by using the magazine, a plurality of cartridges can be replaced at once by opening and closing the door attached to the front surface. Since the work of the operator to replace the cartridge with care as in the conventional optical disk device is eliminated, the working efficiency can be improved. Further, since the mechanism for inserting and ejecting the cartridge can be omitted, the cost of the device can be reduced.

Further, the mechanism portion of the present invention can be made much smaller and simpler than the conventional cartridge exchange mechanism portion, so that the facility cost and the floor area utilization efficiency of the optical disk device can be greatly improved. can do.

[Brief description of drawings]

FIG. 1 is a perspective view showing an external appearance of an embodiment of the present invention as seen from diagonally front.

FIG. 2 is a perspective view of the inside of the embodiment of the present invention seen through obliquely from the front.

3A and 3B are perspective views showing details of a magazine according to an embodiment of the present invention, FIG. 3A shows only a magazine, and FIG. 3B shows a magazine in which a cartridge is inserted.

FIG. 4 is a perspective view of a mechanism portion according to the first embodiment of the present invention,
(A) shows only a mechanism part, (b) shows the mechanism part with which the magazine was mounted, respectively.

5A and 5B are plan views showing a conveyance movement state and an insertion / ejection state of the magazine and the cartridge in the first and second embodiments of the present invention, FIG. 5A is a state in which the magazine is in a holding mechanism, and FIG. Shows the state after the transport mechanism has moved to the holding mechanism side, and (c) shows the state after the magazine has moved from the holding mechanism by the transport mechanism.

FIG. 6 is a plan view showing insertion and ejection of the cartridge into the drive device according to the first embodiment of the present invention.

FIG. 7 is a plan view showing a rotating state of the magazine and the cartridge according to the first and second embodiments of the present invention,
(A) shows the state before the rotation of the magazine, (b) shows the state during the rotation of the magazine, and (c) shows the states where the rotation of the magazine is completed.

FIG. 8 is a perspective view of a mechanism portion according to a second embodiment of the present invention,
(A) shows only a mechanism part, (b) shows the mechanism part with which the magazine was mounted, respectively.

FIG. 9 is a perspective view showing an inserting / ejecting state of a magazine and a cartridge in the mechanism section of the second embodiment of the present invention,
(A) shows the state before mounting the magazine, (b) shows the state after mounting the magazine outside the mechanical section, and (c) shows the state after mounting the magazine inside the mechanical section.

FIG. 10 is a perspective view of a mechanism portion according to a third embodiment of the present invention,
(A) shows only a mechanism part, (b) shows the mechanism part with which the magazine was mounted, respectively.

11A and 11B are plan views showing the conveyance movement / rotation state of the magazine and the cartridge in the mechanism section of the third embodiment of the present invention, FIG. 11A is a state before the magazine is rotated, and FIG. 11B is a state in which the magazine is completely rotated. Are shown respectively.

[Explanation of symbols]

 1 Optical Disk Device 2 Housing 3 Front Mask 4 Door 5 Filter 6 Magazine 7 Cartridge 10 Mechanism Part 11 Drive Device 12 Control Part 13 Fan 14 Fixed Roller Mechanism 20 Cartridge Spring 21 Gripping Hole 22 Gripping Groove 23 V Groove 30 Loading Mechanism 31 Base 32 Mounting mechanism 33 M / D motor 34 Drive roller 35 M / D solenoid 36 Output shaft 37 Drive mechanism 40 Conveying mechanism 41 X motor 42 Pulley 43 Linear shaft 44 Pulley 45 Belt 50 Conveying arm 51 Latch shaft 52 Pulley 53 Motor plate 54 A / B Motor 55 Pulley 56 Belt 57 Spring 58 Magazine Latch 59 Roller 60 Holding Mechanism 61 Stage 62 Lock Solenoid 63 Output Shaft 64 Spring 68 Mechanism Part 69 Conveyance Mechanism 70 Rotation Mechanism 71 Turn Arm 72 Arm Base 79 Mechanism Unit 80 Conveyance Mechanism 81 Rotating Cylinder 82 Frame 83 A / B Motor 84 Drive Roller 85 Holding Roller 86 Lock Solenoid 87 Spring 88 Output Shaft 89 Square Hole

Claims (4)

[Claims] 1. An optical disc apparatus for storing a plurality of cartridges each having an optical disc therein and recording / reproducing information of the optical disc in the selected cartridge, wherein a casing having a rectangular parallelepiped outer shape and an optical disc recording in a rear half of the casing. A drive unit for playback and an L-shaped cross section in the front half, which is supported movably in the left and right directions, can hold multiple cartridges, has a rectangular parallelepiped shape, and holds and rotates a magazine with a holding groove on one side. A transport mechanism having a rotating mechanism disposed on the upper side, a drive mechanism that is disposed below the transport mechanism, has an output unit coupled to the transport mechanism, and moves the transport mechanism together with the magazine, a drive device, and a transport mechanism. And a mechanism part consisting of a loading mechanism that inserts and ejects the cartridge in the magazine into and from the drive device, and is installed in the rear half of the housing and connected to the mechanism part An optical disk device is provided with a control unit for controlling the operation of the mechanical unit and connecting to the drive unit to control the operation and process the recording / reproducing signal. 2. A holding mechanism, which is located on a side surface of the apparatus, has a U-shape toward the inside of the apparatus, and is provided with a holding mechanism for gripping and positioning a magazine transferred from the transport mechanism. The optical disk device described. 3. The L-shaped transport mechanism has a corner portion rotatably connected and supported by a rotary shaft to hold a magazine,
2. The optical disk device according to claim 1, wherein a rotating mechanism for rotating is provided with a mechanism portion that tilts in the front-rear direction. 4. A rotary cylinder which has a cylindrical shape and which has a square hole for inserting a magazine in a thrust direction along an axis,
A frame having a rectangular parallelepiped shape and surrounding the rotary cylinder, a holding roller arranged at a corner of the frame in a position in contact with the rotary cylinder, and a mechanism section composed of a drive roller are arranged. The optical disk device according to claim 1.