CN114300000A - A high-speed optical disc storage device capable of simultaneous access to multiple discs - Google Patents

Abstract

The invention discloses a high-speed optical disk storage device capable of simultaneously accessing multiple disks, which comprises a main optical drive and auxiliary optical drives, wherein the plurality of auxiliary optical drives are fixed above the main optical drive through an optical drive bracket to form a whole, a loading assembly is arranged in the main optical drive, the loading assembly on the main optical drive transmits the power of a motor to a loading gear set through gear transmission, each loading gear on the loading gear set drives an optical disk tray on a corresponding optical disk box, and a set of loading assembly on the main optical drive drives the plurality of auxiliary optical drives to load and unload the multiple optical disks simultaneously, so that the access flow is simplified, and the access efficiency and reliability are improved.

Description

A high-speed optical disc storage device capable of simultaneous access to multiple discs

technical field

The invention relates to the field of optical disc storage devices, in particular to a high-speed optical disc storage device capable of accessing multiple discs simultaneously.

Background technique

The optical storage device is generally composed of an optical disc cartridge, a storage structure of the optical disc cartridge, an opening and closing structure of the optical disc cartridge, an optical disc manipulator, an optical drive, and the like. Among them, several optical discs are stacked and stored in one optical disc cassette, and the optical disc cassette needs to be taken out from the optical disc cassette storage structure through the optical disc cassette opening and closing mechanism. The optical discs are separated by the optical disc manipulator and put into their respective optical drives. After the optical discs are read and written by the optical drive, they are returned through the original path. The mechanical structure of the entire device is complex and prone to failure. The access method affects the access speed of the entire device, so a high-speed optical storage device with simple access process, high efficiency and high reliability is urgently needed.

SUMMARY OF THE INVENTION

The present invention provides a high-speed optical disc storage device capable of simultaneously accessing multiple discs, so as to overcome the technical problems of complicated access procedures, low efficiency and low reliability.

In order to achieve the above object, the technical scheme of the present invention is:

A high-speed optical disk storage device capable of accessing multiple disks at the same time, comprising: an optical drive group and an optical disk cartridge, the optical disk drive group includes a main optical disk drive and a secondary optical disk drive, a plurality of trays are evenly distributed in the optical disk cartridge, and a plurality of trays are arranged on the trays. For the loading rack engaged with the loading assembly, the main optical drive is connected to one or more sub-optical drives through an optical-drive bracket, and the more than one sub-optical drives are sequentially arranged above the main optical drive, and the bottom of the main optical drive is provided with a moving component for moving , a loading assembly is arranged on the main optical drive, and the main optical drive drives a plurality of the auxiliary optical drives to simultaneously access and synchronously access the optical discs in the optical disc cartridge through the loading assembly;

Further, the loading assembly includes a loading motor, a motor gear, a primary reduction gear, a secondary reduction gear, a relay gear and a loading gear set, the loading motor is fixed on the bottom of the main optical drive, and the motor gear is connected to the The loading motor is coaxially connected, the primary reduction gear meshes with the motor gear, the secondary reduction gear meshes with the primary reduction gear, and the relay gear meshes with the secondary reduction gear, so The loading gear set includes a support rod and a loading gear, a plurality of the loading gears are evenly fixed on the support rod, and the loading gear fixed on the lower end of the support rod meshes with the relay gear.

Further, the moving assembly includes a sliding cam lever and a driving pin fixed on the lift table, the sliding cam lever is slidably connected with the bottom of the main optical drive, and one side of the sliding cam lever is provided with The sliding rack is meshed with the step reduction gear, the sliding cam rod is also provided with a cam slideway that cooperates with the driving pin, and two mutually parallel feeding guide rods are fixed on the lifting platform. The bottom of the optical drive is provided with a slider for sliding on the feeding guide rod, and a nut set is also provided on the lifting platform, and the nut set is connected with the lifting device.

Further, the lifting device is arranged on the top of the frame of the optical drive group, and the frame of the optical drive group is provided with four lifting guide rods, and the upper part of the lifting guide rod is connected with the motor fixing plate, and the lifting device includes a lifting motor and a driving pulley. , a driven pulley and a drive belt, the lift motor is fixed on the motor fixing plate, the drive pulley is coaxially connected to the lift motor, and the drive pulley is connected to the driven pulley through the drive belt , the driven pulley rotates coaxially with the lead screw, and the lead screw is threadedly connected to the nut set.

Further, a mobile device is also provided at the bottom of the frame of the optical drive group.

Further, one side of the optical drive assembly frame is provided with an optical drive assembly positioning pin for matching with the optical drive assembly positioning hole on the optical disc storage rack.

Further, the spacing between the loading gears is equal to the spacing between the trays.

Further, the number of the loading gears is the same as the number of trays in the optical disc cartridge.

Further, a plurality of the optical disc cartridges are arranged in sequence and placed on the optical disc storage rack.

Further, the main optical drive is also provided with an in-position switch and an out-in position switch.

Beneficial effects: The present invention provides a high-speed optical disk storage device capable of accessing multiple disks at the same time. A plurality of auxiliary optical disk drives are fixed above the main optical disk drive through an optical disk drive bracket to form a whole, and a loading assembly is arranged inside the main optical disk drive. The loading assembly transmits the power of the motor to the loading gear group through gear transmission, and each loading gear on the loading gear group drives the corresponding optical disc cartridge, so that a set of loading assemblies on the main optical drive drives multiple auxiliary optical drives to simultaneously load multiple discs. The optical disc is loaded and unloaded, which simplifies the access process and improves the access efficiency and reliability.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a high-speed optical disk storage device capable of simultaneous access to multiple disks disclosed in the present invention;

2 is a schematic diagram of the internal structure of a main optical drive of a high-speed optical disc storage device capable of simultaneous access to multiple discs disclosed in the present invention;

FIG. 3 is a schematic structural diagram of a loading assembly of a high-speed optical disk storage device capable of simultaneously accessing multiple disks disclosed in the present invention;

4 is a schematic diagram of the bottom structure of a main optical drive of a high-speed optical disc storage device capable of simultaneously accessing multiple discs disclosed in the present invention;

5 is a schematic structural diagram of a lifting platform for a high-speed optical disc storage device capable of simultaneously accessing multiple discs disclosed in the present invention;

6 is a schematic structural diagram of a lifting device for a high-speed optical disk storage device capable of simultaneously accessing multiple disks disclosed in the present invention;

7 is a schematic structural diagram of an optical disk storage rack of a high-speed optical disk storage device capable of simultaneously accessing multiple disks disclosed in the present invention;

8 is a schematic structural diagram of an optical disc cartridge of a high-speed optical disc storage device capable of simultaneously accessing multiple discs disclosed in the present invention;

9 is a schematic diagram of the operation of the optical drive group and the optical disc cartridge of a high-speed optical disc storage device capable of simultaneously accessing multiple discs disclosed in the present invention;

FIG. 10 is a working schematic diagram of a moving assembly of a high-speed optical disk storage device capable of simultaneous access to multiple disks disclosed in the present invention;

In the picture: 1. Optical drive bracket, 2. Main optical drive, 3. Secondary optical drive, 4. Loading assembly, 6. Loading motor, 7. Motor gear, 8. Primary reduction gear, 9. Secondary reduction gear, 10, Middle Continuing gear, 11, Loading gear set, 12, Support rod, 13, Loading gear, 14, Sliding cam lever, 15, Lifting table, 16, Drive pin, 17, Sliding rack, 18, Cam slideway, 19, Feeding Feeding guide rod, 20, Slider, 21, Nut kit, 23, Optical drive group frame, 24, Lifting guide rod, 25, Motor fixing plate, 26, Lifting motor, 27, Driving pulley, 28, Driven pulley, 29, Transmission belt, 30, lead screw, 31, universal wheel, 32, CD storage rack, 33, CD-ROM group positioning hole, 34, CD-ROM group positioning pin, 35, CD-ROM box, 36, tray, 37, loading rack, 38 , In-position switch, 39, Out-position switch, 40, groove slide, 181, first slide, 182, second slide, 183, third slide.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

This embodiment provides a high-speed optical disk storage device capable of accessing multiple disks simultaneously, as shown in FIG. 1 and FIG. 2 , including: an optical drive group and an optical disk cartridge 35 , the optical drive group includes a main optical disk drive 2 and a secondary optical disk drive 3 , The main optical drive 2 is connected to one or more auxiliary optical drives 3 through the optical drive bracket 1, and more than one auxiliary optical drives 3 are arranged above the main optical drive 2 in sequence. There is a loading assembly 4 thereon, the main optical drive 2 drives a plurality of the auxiliary optical drives 3 to access synchronously through the loading assembly 4; a plurality of trays 36 are evenly distributed in the optical disc cartridge 35, and the trays 36 are provided with The loading rack 37 meshed by the loading assembly 4, it should be noted that the auxiliary optical drive 3 is not provided with the loading assembly 4, and a plurality of auxiliary optical drives 3 are connected with the main optical drive 2 through the optical drive bracket 1 to form a whole, wherein the main optical drive 2 is located in the main optical drive 2. At the bottom, each auxiliary optical drive 3 is located above the main optical drive 2, the main optical drive 2 is provided with a loading assembly 4, and a plurality of trays 36 are evenly distributed in the optical disc cartridge 35. The loading assembly 4 cooperates with the loading rack 37 on one side of the tray 36 to realize the loading and unloading of all the trays 36 in the corresponding optical disc cassette 35 .

In a specific embodiment, as shown in FIG. 3 , the loading assembly 4 includes a loading motor 6 , a motor gear 7 , a primary reduction gear 8 , a secondary reduction gear 9 , a relay gear 10 and a loading gear set 11 . The loading motor 6 is fixed on the bottom of the main optical drive 2 , the motor gear 7 is coaxially connected to the loading motor 6 , the first-stage reduction gear 8 meshes with the motor gear 7 , and the second-stage reduction gear 9 is connected to the loading motor 6 . The first-stage reduction gear meshes with 8, the relay gear 10 meshes with the second-stage reduction gear 9, the loading gear set 11 includes a support rod 12 and a loading gear 13, and a plurality of the loading gears 13 are evenly fixed on the On the support rod 12 , the loading gear 13 fixed on the lower end of the support rod 12 meshes with the relay gear 10 , the motor gear 7 is installed on the rotating shaft of the loading motor 6 , and the motor gear 7 meshes with the primary reduction gear 8 . , the primary reduction gear 8 meshes with the secondary reduction gear 9, the secondary reduction gear 9 meshes with the relay gear 10, the relay gear 10 meshes with the loading gear set 11, and the loading gear set 11 is installed on the main optical drive 2 and the optical drive bracket 1 In between, the loading gear set 11 is provided with loading gears 13 equal to the total number of main and auxiliary optical drives, and each loading gear 13 rotates synchronously. When the loading motor 6 rotates, the motor gear 7 passes through the primary reduction gear 8, secondary reduction gear 9 and The relay gear 10 drives the loading gear set, and the loading gear 13 on the loading gear set 11 cooperates with the loading racks 37 on each tray 36 in the disc cartridge 35 to realize the loading and unloading of all the corresponding trays. The entire gear combination is driven by a motor, and the mismatch between the gears does not interfere.

In a specific embodiment, the moving assembly includes a sliding cam lever 14 and a driving pin 16 fixed on the lifting platform 15 . The sliding cam lever 14 is slidably connected to the bottom of the main optical drive 2 . In this embodiment, the The sliding cam lever 14 is connected to the main optical drive 2 in that two groove slide rails 40 parallel to each other are provided on the sliding cam rod 14 , and one groove slide rail 40 is respectively provided on each groove slide rail 40 . A sliding connector, the sliding connector is fixed on the bottom surface of the main optical drive 2 through the groove slide rail 40 , and one side of the sliding cam lever 14 is provided for engaging with the secondary reduction gear 9 The sliding rack 17, the sliding cam rod 14 is also provided with a cam slideway 18 that cooperates with the driving pin 16, and two parallel feeding guide rods 19 are also fixed on the lifting platform 15, so The bottom of the main optical drive 2 is provided with a slider 20 for sliding on the feed guide rod 19, and a nut set 21 is also provided on the lift table 15. The nut set 21 is connected with the lifting device, and is decelerated through the second stage. The gear 9 meshes with the sliding rack 17 on the sliding cam lever 14. When the loading motor 6 rotates, the driving pin 16 on the lifting table 15 slides left and right in the cam slideway 18 on the sliding cam lever 14. The feeding guide rod 19 is connected with the main optical drive 2, and at the same time, the main optical drive 2 is limited, so that the main optical drive 2 can only slide forward and backward on the feeding guide rod 19, and the lifting platform 15 is connected with the lifting device through the set nut set 21. , the main and auxiliary optical drives can be lifted and lowered in the vertical direction.

In this embodiment, as shown in FIG. 3 , the loading assembly 4 , the sliding cam lever 14 and the driving pin 16 cooperate to realize the advance and retreat in the y-axis direction, so that the loading gear set 11 meshes with the loading rack 37 on the tray 36 , To realize the picking and placing of the tray 36, the specific movement method is as follows. The loading assembly 4 is arranged on the main optical drive 2, and a loading motor 6 drives the motor gear 7, the primary reduction gear 8, the secondary reduction gear 9, the relay gear 10 and The loading gear set 11 rotates, and the loading gear set 11 meshes with the loading rack 37 of the tray 36 in the disc cartridge 35, so that the tray 36 can be taken out. The secondary reduction gear 9 in the loading assembly 4 is also connected to the sliding cam lever 14. Since the bottom of the main optical drive 2 is in sliding contact with the feeding guide rod 19, the main optical drive 2 can only move in the direction of the feeding guide rod 19, that is, the y-axis direction shown in FIG. The loading motor 6 rotates, and the secondary reduction gear 9 meshes and rotates on the sliding rack 17, so that the sliding cam lever 14 slides on the bottom of the main optical drive 2, and the bottom of the sliding cam lever 14 is provided with the driving pin 16 on the lifting platform 15 to cooperate The cam slideway 18, when the sliding cam lever 14 moves in the x-axis, the drive pin 16 moves in the opposite direction of the sliding cam lever 14 moving in the x-axis direction, because the sliding cam lever 14 changes in the y-axis direction The cam slideway 18 defines the direction of the driving pin 14 , so that the main optical drive 2 can advance or retreat in the y-axis direction for contacting and engaging with the loading rack 37 on the tray 36 .

According to the following table, the CD-ROM can be automatically loaded and unloaded;

CD loading and unloading timing table

Loading process:

In the first stage of loading, the motor gear 6 rotates counterclockwise, the primary reduction gear 8 rotates clockwise, the secondary reduction gear 9 rotates counterclockwise, the relay gear 10 rotates clockwise, and the loading gear set rotates counterclockwise. At this time, the tray 36 is in the In the static state, the secondary reduction gear 9 rotates counterclockwise to drive the sliding cam lever 14 to move in the positive direction of the x-axis, and the driving pin 16 slides on the third slideway 183 according to the position shown in the table. At this time, the driving pin 16 is relatively sliding The cam lever 14 moves in the negative direction of the x-axis, and the main optical drive 2 advances in the positive direction of the y-axis, so that the loading gear set 11 meshes with the loading rack 37 on the tray 36;

In the latter stage of loading, the motor gear 6 still rotates counterclockwise, and the driving pin 16 moves in the second slideway 182 of the cam slide 18 relative to the sliding cam lever 14. At this time, the loading gear set 11 is still connected with the loading rack 37 on the tray 36. Engage and continue to rotate to take out the tray 36 from the optical disc cartridge 35. When the drive pin 16 moves to the first slideway 181, the loading gear set 11 completely takes out the tray 36 from the optical disc cartridge 35, and the main optical drive 2 is along the y-axis. Reverse in the negative direction, when the tray 36 triggers the in-position switch 38, the loading motor 6 stops rotating, and the optical disc drive unit reads the optical disc.

Uninstallation process:

Before unloading, the loading motor 6 rotates clockwise, the primary reduction gear 8 rotates counterclockwise, the secondary reduction gear 9 rotates clockwise, the relay gear 10 rotates counterclockwise, the loading gear set 11 rotates clockwise, and the secondary reduction gear 9 Clockwise rotation drives the sliding cam lever 14 to move in the negative direction of the x-axis, and the drive pin 16 moves from the first slideway 181 to the second slideway 182. At this time, the drive pin 16 moves in the positive direction of the x-axis relative to the slide cam stem 14, The main optical drive 2 moves forward in the positive direction of the y-axis, and the loading gear set 11 is engaged with the loading rack 37 on the tray 36; when the driving pin 16 slides on the second slide 182, the main optical drive 2 is in contact with the optical disc cartridge 35 at all times. In this process, the loading gear set 11 sends the tray 36 back into the optical disc cartridge 35. When the drive pin 16 moves to the inflection point of the connection between the second slideway 182 and the third slideway 183, the tray 36 just touches the exit position switch 39, and the tray 36 is disengaged from the loading gear set 11, and the loading motor 6 does not stop working at this time, but continues to rotate;

In the latter stage of unloading, the loading motor 6 continues to rotate clockwise. At this time, the driving pin 16 moves along the third slideway 183, and the main optical drive 2 moves in the negative direction of the y-axis and returns to the initial position.

In a specific embodiment, as shown in FIG. 4 to FIG. 6 , the lifting device is arranged on the top of the optical drive assembly frame 23 , and the optical drive assembly frame 23 is provided with four elevating guide rods 24 , above the elevating guide rods 24 . Connected to the motor fixing plate 25, the lifting device includes a lifting motor 26, a driving pulley 27, a driven pulley 28 and a transmission belt 29, the lifting motor 26 is fixed on the motor fixing plate 25, and the driving pulley 27 and The lift motor 26 is coaxially connected, the driving pulley 27 is connected to the driven pulley 28 through the transmission belt 29, the driven pulley 28 rotates coaxially with the lead screw 30, and the lead screw 30 is connected to the driven pulley 28. The nut set 21 is threadedly connected, so that the lifting platform 15 can realize the lifting action.

In a specific embodiment, the bottom of the optical drive group frame 23 is further provided with a moving device. In this embodiment, the moving device is a universal wheel 31. 23 can move freely.

In a specific embodiment, as shown in FIG. 7 , one side of the optical drive assembly frame 23 is provided with an optical drive assembly positioning pin 34 for matching with the optical drive assembly positioning hole 33 on the optical disk storage rack 32 . 33 and the CD-ROM group positioning pin 34 cooperate, so that the freely movable CD-ROM group frame 23 can be fixed to the corresponding position of the CD-ROM storage rack 32, so that the main and auxiliary CD-ROM drives can perform the operation on the CD-ROM in the CD-ROM box on the CD-ROM storage rack 32. Add and uninstall.

In a specific embodiment, as shown in FIG. 8 , the optical disc storage rack 32 is provided with a plurality of optical disc cartridges 35 , and a plurality of trays 36 are evenly distributed in the optical disc cartridges 35 . The loading rack 37 meshed with the loading gear set 11, the loading gear 13 is engaged with the loading rack 37, and the trays 36 can be automatically loaded into or out of the bin.

In a specific embodiment, the spacing between the loading gears 13 is equal to the spacing between the trays 36 .

In a specific embodiment, the number of the loading gears 13 is the same as the number of the trays 36 in the optical disc cartridge 35 .

In a specific embodiment, as shown in FIG. 9 , the main optical drive 2 is also provided with an in-position switch 38 and an out-position switch 39. By setting the in-position switch 38, it can be determined whether the tray 36 enters the main optical drive 2, And can control the opening of the loading motor 6, by setting the position switch 39, it can be determined that the tray 36 is completely separated from the main optical drive 2 into the optical disc cartridge 35, and the loading motor 6 is set to continue to rotate for a period of time, so that the main optical drive 2 Returns to the original position.

The specific working method is:

Move the optical drive group frame 23 to the position of the optical disk cartridge 35 on the optical disk storage rack 32 to be read and written through the universal wheel 31, and align the optical disk drive group positioning pin 34 on the optical disk drive group frame 23 on the optical disk storage rack 32. The positioning hole 33 of the optical drive group is pushed in to ensure that the front and rear and left and right positions of the main and auxiliary optical drives and the optical disc cassette 35 in the horizontal direction are aligned, and the relative positions in the vertical direction between the main and auxiliary optical drives and the optical disc cassette 35 are passed through the lifting platform 15. As shown in Figure 10, the dotted line part in the figure represents the initial position of the main and auxiliary optical drives, and the realized part in the figure represents the adjusted working positions of the main and auxiliary optical drives. When the main and auxiliary optical drives stay at the initial position, their corresponding The loading wheel on the loading gear set is not engaged with the loading rack on the cartridge tray.

When the loading motor 6 on the main optical drive 2 starts to work, the motor gear 7 drives the sliding cam lever 14 and the loading gear set 11 through the primary reduction gear 8, the secondary reduction gear 9, and the relay gear 10, and the cam on the sliding cam lever 14 slides. The track 18 moves relative to the driving pin 16 on the lift table 15 to drive the main and auxiliary optical drives to feed toward the optical disc cartridge 35 at the same time.

When the main and auxiliary optical drives move to the working position, the loading gears 13 on the loading gear set 11 corresponding to the main and auxiliary optical drives start to mesh with the loading racks 37 on the tray 36 of the optical disc cartridge 35, and the cam slides 18 on the sliding cam lever 14 Control the optical drive to no longer feed, but the loading motor 6 is still working, and start to mount these trays 36 on it through the meshing between the loading gears 13 on the loading gear set 11 and the loading racks 37 on the respective corresponding trays At the same time, the optical discs are taken out from the optical disc cassette 35 and transported to their corresponding optical drives. When the tray 36 is about to be in place, the cam slideway 18 controls the main and auxiliary optical drives to return to the initial position, until the tray 36 corresponding to the main optical drive 2 triggers the in-position switch 38 After that, the loading motor 6 stops working, and thus the synchronous loading process of the optical disc is completed.

When the primary and secondary optical drives complete the reading and writing tasks for the optical disc, the loading motor 6 starts to work in the reverse direction, the sliding cam lever 14 and the loading gear set 11 are driven, and the sliding cam lever 14 drives the primary and secondary optical drives to feed from the initial position to the direction of the disc cartridge 35 again. At the same time, the loading gears 13 on the loading gear set 11 drive the trays 36 in all the optical drives to exit the magazines and return to the optical disc cassette 35 at the same time, until the trays 36 corresponding to the main optical drive 2 trigger the exit position switch 39, and the loading motor is at this time. 6. It does not stop working immediately. It is necessary to set a period of time for the sliding cam lever 14 to drive each optical drive from the working position back to the initial position and then stop working, thus completing the synchronous unloading process of the optical disc.

Through the cooperation of the nut assembly 21 on the lift table 15 and the lead screw 30 in the optical drive group frame 23, the lift table 15 can be lifted and lowered in the vertical direction, so that each optical drive can load and unload the optical discs in other optical disc cassettes 35.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. scope.

Claims (10)

1. A high speed optical disc storage device capable of simultaneous multi-disc access, comprising: CD-ROM group and CD-ROM casket (35), a plurality of trays (36) of evenly distributed in the CD-ROM casket (35), be equipped with on tray (36) be used for with loading rack (37) of loading component (4) meshing, CD-ROM group is including main CD-ROM (2) and vice CD-ROM (3), main CD-ROM (2) are connected more than one vice CD-ROM (3) through CD-ROM support (1), and more than one vice CD-ROM (3) arrange in proper order main CD-ROM (2) top, main CD-ROM (2) bottom is equipped with the removal subassembly that is used for removing, be equipped with loading component (4) on main CD-ROM (2), main CD-ROM (2) drive a plurality ofly through loading component (4) vice CD-ROM (3) are right the CD in the CD-ROM casket (35) is access simultaneously.

2. A high-speed optical disc storage device capable of accessing multiple discs simultaneously according to claim 1, wherein the loading assembly (4) comprises a loading motor (6), a motor gear (7), a primary reduction gear (8), a secondary reduction gear (9), a relay gear (10) and a loading gear set (11), the loading motor (6) is fixed at the bottom of the main optical disc drive (2), the motor gear (7) is coaxially connected with the loading motor (6), the primary reduction gear (8) is engaged with the motor gear (7), the secondary reduction gear (9) is engaged with the primary reduction gear (8), the relay gear (10) is engaged with the secondary reduction gear (9), the loading gear set (11) comprises a support rod (12) and a loading gear (13), and a plurality of the loading gears (13) are uniformly fixed on the support rod (12), and a loading gear (13) fixed at the lower end of the support rod (12) is meshed with the relay gear (10).

3. A high-speed optical disk storage device capable of accessing multiple disks simultaneously according to claim 1, wherein the moving assembly comprises a sliding cam rod (14) and a driving pin (16) fixed on a lifting platform (15), the sliding cam rod (14) is slidably connected with the bottom of the main optical disk drive (2), one side of the sliding cam rod (14) is provided with a sliding rack (17) engaged with the secondary reduction gear (9), the sliding cam rod (14) is further provided with a cam slideway (18) matched with the driving pin (16), the lifting platform (15) is further fixed with two parallel feeding guide rods (19), the bottom of the main optical disk drive (2) is provided with a slide block (20) for sliding on the feeding guide rods (19), the lifting platform (15) is further provided with a nut sleeve (21), the nut sleeve (21) is connected with the lifting device.

4. A high-speed optical disc storage apparatus capable of multi-disc simultaneous access according to claim 3, it is characterized in that the lifting device is arranged at the top of the CD-ROM group frame (23), four lifting guide rods (24) are arranged on the CD-ROM group frame (23), the upper part of the lifting guide rod (24) is connected with a motor fixing plate (25), the lifting device comprises a lifting motor (26), a driving belt pulley (27), a driven belt pulley (28) and a transmission belt (29), the lifting motor (26) is fixed on the motor fixing plate (25), the driving belt pulley (27) is coaxially connected with the lifting motor (26), the driving belt pulley (27) is connected with the driven belt pulley (28) through the transmission belt (29), the driven belt pulley (28) and a lead screw (30) rotate coaxially, and the lead screw (30) is in threaded connection with the nut sleeve (21).

5. A high speed optical disc storage device capable of accessing multiple discs simultaneously as claimed in claim 4, wherein the bottom of the optical disc drive unit frame (23) is further provided with a moving device.

6. A device for storing optical discs with multiple discs simultaneously as claimed in claim 5, wherein the frame (23) has a disc drive positioning pin (34) at one side for engaging with the disc drive positioning hole (33) of the disc storage shelf (32).

7. A high speed optical disc storage apparatus capable of multi-disc simultaneous access according to any one of claims 1 and 2, wherein the pitch between the loading gears (13) is equal to the pitch between the trays (36).

8. A high speed optical disc storage apparatus capable of accessing multiple discs simultaneously as claimed in any one of claims 1 and 2, wherein the number of loading gears (13) is the same as the number of trays (36) in the optical disc magazine (35).

9. A high speed optical disc storage apparatus capable of accessing multiple discs simultaneously as claimed in claim 1, wherein a plurality of said disc cases (35) are sequentially arranged on the disc storage shelf (32).

10. A high speed optical disc storage apparatus capable of accessing multiple discs simultaneously as claimed in claim 1, wherein said main optical disc drive (2) further comprises a bin in-position switch (38) and a bin out-position switch (39).

Images