CN114300001A

CN114300001A - Mobile expandable optical drive self-loading optical disk storage device

Info

Publication number: CN114300001A
Application number: CN202111650079.9A
Authority: CN
Inventors: 尹炜; 张勇; 张继军
Original assignee: China Hualu Group Co Ltd
Current assignee: China Hualu Group Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-04-08
Anticipated expiration: 2041-12-30
Also published as: CN114300001B

Abstract

The invention discloses a mobile expandable CD driver self-loading CD storage device, which comprises: fixed storage disc system and portable optical drive group, optical drive group through positioner with storage disc headtotail, storage disc system can infinitely expand, optical drive group through set up mobile device, elevating gear and get put the device, realize adding the uninstallation to the CD on the storage disc system, solved the technical problem that CD storage device structure is complicated, the performance is unstable and the optical drive utilization ratio is low.

Description

Mobile expandable optical drive self-loading optical disk storage device

Technical Field

The invention relates to the technical field of optical disk storage devices, in particular to a mobile extensible optical disk drive self-loading optical disk storage device.

Background

According to different access frequencies, data can be divided into three types of 'hot data, warm data and cold data', wherein 'cold data' refers to data which is not frequently accessed but still needs to be kept for a long time and has infrequent activities. According to statistics, more than 80% of data in the data center are cold data, and many cold data require very long storage time, and some data even need to be stored for 70-100 years. At present, people often use media such as hard disks, flash memories, magnetic tapes and the like to store the cold data, but the cold data has the problems of high cost, short service life and poor weather resistance, so that the optical storage provides an ideal solution for storing the cold data by virtue of the advantages of low energy consumption, long service life, high reliability and the like.

The optical storage device generally comprises a disk cartridge, a disk cartridge storage structure, a disk cartridge opening and closing mechanism, a disk manipulator, a disk drive set, a power supply device, a server, etc. The optical disks are stacked and stored in a disk box, the disk box is required to be taken out of the disk box storage structure through a disk box opening and closing mechanism, the optical disks are taken out of the disk box together through a disk manipulator, then the optical disks are separated through the disk manipulator and are respectively placed into corresponding optical drives, and the optical disks are returned through an original path after being read and written by the optical drives. In addition, the CD box and the CD driver set are limited in the cabinet of the optical storage device.

Three problems then arise to be solved: first, the mechanical structures and control systems of the optical disk cartridge opening and closing mechanism, the optical disk manipulator, and the like in the optical storage device are complex, and the cost in the aspects of manufacturing and maintenance is high; secondly, a plurality of optical disks are placed in a close contact manner, so that adhesion is easy to generate, and the optical disk manipulator is easy to break down when separating the optical disks, so that the whole system fails; the CD-ROM drive is the most costly key component in the optical storage device, the frequency of use of the CD-ROM drive is not high when cold data is stored, the CD-ROM drive group is limited in the cabinet, the CD-ROM drive group can only correspond to a limited number of CD boxes in the device cabinet, the utilization rate of the CD-ROM drive with high cost is reduced, and cost control is not facilitated.

Therefore, an optical storage device with simple mechanical structure, reliable performance and high utilization rate of optical drive is needed.

Disclosure of Invention

The invention provides a mobile expandable optical disk drive self-loading optical disk storage device, which aims to solve the technical problems of complex structure, unstable performance and low utilization rate of the optical disk drive.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a self-loading optical disc storage device of a mobile expandable optical disc drive, comprising: the optical drive group is connected with the disc storage system through a positioning device;

the disc storage system comprises a disc storage rack, disc boxes and trays, wherein discs are placed in the trays, the trays are provided with loading racks, more than one tray is movably arranged in the disc boxes, and more than one disc box is placed on the disc storage rack;

the CD-ROM group comprises a frame and a CD-ROM, wherein the frame is provided with a moving device, a lifting device and the CD-ROM, the CD-ROM is provided with a taking and placing device, the moving device is used for moving the frame to the disk storage system, the lifting device is used for moving the CD-ROM to the position of a required read CD, the taking and placing device is used for taking the CD-ROM from the CD box and placing the CD-ROM, or taking the CD-ROM from the CD-ROM and placing the CD-ROM back into the CD box.

Further, elevating gear includes elevator motor, drive pulley, driven pulley, driving belt and lead screw, be equipped with four lift guide bars on the frame, the upper end fixed motor fixed plate of lift guide bar, elevator motor fixes on the motor fixed plate, elevator motor with drive pulley connects, drive pulley pass through driving belt with driven pulley connects, driven pulley with pass the motor fixed plate is on a parallel with the lead screw connection of lift guide bar, the lead screw passes the nut external member on the elevating platform and drives the elevating platform and goes up and down.

Further, a plurality of CD-ROM drives are arranged on the lifting platform, each CD-ROM drive comprises a CD-ROM drive main body, a pick-and-place device, a warehouse-in and warehouse-out switch, the pick-and-place device comprises a loading motor, a motor gear, a first-stage reduction gear, a second-stage reduction gear, a relay gear and a loading gear, the loading motor is coaxially connected with the motor gear, the motor gear is meshed with an upper gear of the first-stage reduction gear, a lower gear of the first-stage reduction gear is meshed with a middle gear of the second-stage reduction gear, an upper gear of the second-stage reduction gear is meshed with the relay gear, the relay gear is meshed with the loading gear, the loading gear is used for being meshed with a loading rack on the tray, and the lower gear of the second-stage reduction gear penetrates through the lower part of the CD-ROM drive main body to be meshed with a sliding rack on the sliding cam rod, the CD-ROM drive comprises a CD-ROM drive body, wherein two sides in the CD-ROM drive body are provided with a CD tray guide groove, and two ends of the CD-ROM tray guide groove on one side are respectively provided with a warehouse-in-place switch and a warehouse-out-place switch.

Further, the bottom of slip cam lever still is equipped with the cam slide, the cam slide includes first slide, second slide and third slide, the second slide with the slip rack is parallel the both ends of second slide are equipped with to the first slide and the third slide of slip rack slope, first slide, second slide and third slide communicate in proper order, drive round on the elevating platform is in slide in the cam slide.

Furthermore, two parallel feeding guide rods are further arranged on the lifting platform, a sliding block is arranged at the bottom of the optical drive, and the feeding guide rods penetrate through the sliding block to enable the optical drive to slide on the two feeding guide rods.

Furthermore, the positioning device comprises a CD driver set positioning hole fixed on the CD storage rack and a CD driver set positioning pin fixed on the frame, and the CD driver set positioning pin can be inserted into the CD driver set positioning hole.

Furthermore, the moving device comprises universal wheels, and the universal wheels are fixed at four corners of the bottom of the frame.

Furthermore, the bottom of the frame is also provided with a power supply device and a server.

Has the advantages that: the invention provides a mobile expandable optical drive self-loading optical disk storage device, which has the following beneficial effects:

1. the device can realize the loading and unloading of the optical disk by only utilizing the loading component of the optical disk drive without a disk box opening and closing mechanism and a disk manipulator, greatly simplifies a mechanical structure and a control system, and has great advantages in cost control and fault control.

2. The optical disks in the optical disk box are placed on the respective trays one by one, and the optical disks are not in contact with each other, so that a disk separating mechanism is not needed, the possibility of adhesion of the optical disks is avoided, and the performance is reliable.

3. The disk storage system can be expanded infinitely, and the optical drive group is of a movable type, so that the optical drive group can flexibly correspond to any unit of the disk storage system, namely the number of optical disk boxes which can be corresponding to one set of optical drive group is unlimited, the utilization rate of the optical drive is greatly improved, and the investment on expensive key parts is greatly reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of an overall structure of a mobile expandable optical disc drive self-loading optical disc storage device according to the present invention;

FIG. 2 is a schematic diagram of a disk storage system of a mobile expandable optical disk drive self-loading optical disk storage device according to the present invention;

FIG. 3 is a schematic diagram of a cartridge structure of a mobile expandable optical disc drive self-loading optical disc storage apparatus according to the present invention;

FIG. 4 is a schematic diagram of a structure of a self-loading optical disc storage device of a mobile expandable optical disc drive according to the present invention;

FIG. 5 is a schematic diagram of a lifting device for a mobile expandable optical disc drive self-loading optical disc storage apparatus according to the present invention;

FIG. 6 is a schematic diagram of a lifting platform structure of a mobile expandable optical disc drive self-loading optical disc storage apparatus according to the present invention;

FIG. 7 is a schematic diagram of an internal structure of a mobile expandable optical disc drive self-loading optical disc storage apparatus according to the present invention;

FIG. 8 is a schematic diagram of a bottom structure of a mobile and extendable optical disc drive for a self-loading optical disc storage apparatus according to the present invention;

FIG. 9 is a schematic structural diagram of a pick-and-place device for a mobile expandable optical disc drive self-loading optical disc storage apparatus according to the present invention;

FIG. 10 is a schematic diagram of a fully loaded optical disc of a mobile expandable optical disc drive according to the present invention;

FIG. 11 is a schematic diagram of a fully unloaded state of an optical disc of a mobile expandable optical disc drive self-loading optical disc storage apparatus according to the present invention;

in the figure: 1. a disk storage system, 2, a CD-ROM group, 3, a CD storage rack, 4, a CD box, 7, a lifting device, 8, a CD driver, 9, a power supply device, 10, a server, 11, a CD-ROM group positioning hole, 13, a tray, 14, a frame, 15, a motor fixing plate, 16, a lifting motor, 17, a driving belt pulley, 18, a driven belt pulley, 19, a transmission belt, 20, a lead screw, 21, a lifting guide rod, 22, a universal wheel, 23, a lifting platform, 24, a feeding guide rod, 25, a nut kit, 26, a CD-ROM body, 27, a CD tray guide slot, 28, a warehouse entry position switch, 29, a warehouse exit position switch, 30, a loading rack, 31, a CD-ROM group positioning pin, 32, a driving pin, 33, a loading motor, 34, a motor gear, 35, a primary reduction gear, 36, a secondary reduction gear, 37, a relay gear, 38, a loading gear, 39, a sliding rod, 40. sliding rack, 41, cam slideway, 43, first slideway, 44, second slideway, 45, third slideway, 47 and sliding block.

Detailed Description

In order to make the objects, 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 drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present embodiment provides a self-loading optical disc storage device of a mobile scalable optical disc drive, as shown in fig. 1, including: the optical disc drive system comprises a fixed disc storage system 1 and a movable optical disc drive group 2, wherein the optical disc drive group 2 is connected with the disc storage system 1 through a positioning device, the disc storage system 1 can be infinitely expanded, the optical disc drive group 2 is movable, and the optical disc drive group 2 is connected with the disc storage system 1 through the positioning device, so that optical discs of the optical disc drive group 2 at different storage positions of the disc storage system 1 are loaded;

as shown in fig. 2 and 3, the disc storage system 1 includes a disc storage rack 3, disc cases 4 and trays 13, discs are respectively placed in the trays 13, a loading rack 30 is disposed on the trays 13, more than one tray 13 is movably disposed in the disc cases 4, more than one disc case 4 is disposed on the disc storage rack 3, discs in the disc cases 4 are placed on the respective trays 13 one by one, and there is no contact between the discs, so that a disc separating mechanism is not required, no adhesion occurs between the discs, a plurality of disc cases 4 are arranged on the disc storage rack 3, and the disc system 1 is infinitely expanded;

as shown in fig. 4, the optical disc drive assembly 2 includes a frame 14 and an optical disc drive 8, the frame 14 is provided with a moving device, a lifting device 7 and the optical disc drive 8, the optical disc drive 8 is provided with a pick-and-place device, the moving device is used to move the frame 14 to the disc storage system 1, the lifting device 7 is used to move the optical disc drive 8 to a desired optical disc to be read, the pick-and-place device is used to take an optical disc from the optical disc cartridge 4 to be placed on the optical disc drive 8, or take the optical disc from the optical disc drive 8 to be placed back into the optical disc cartridge 4, the optical disc drive assembly 2 can freely move in the horizontal direction through the moving device, the correct position is adjusted to be fixedly connected with the disc storage system 1 through the positioning device, the optical disc drive assembly 2 can move up and down through the lifting device 7 to drive the optical disc drive 8 to move to the desired optical disc to be loaded, the optical disc drive 8 automatically takes the desired optical disc to be read through the pick-and-place device, the optical disk is not required to be taken by an opening and closing mechanism of the optical disk box and an optical disk manipulator, the optical disk can be loaded and unloaded only by using a taking and placing device arranged on the optical disk drive, and a mechanical mechanism and a control system are greatly simplified.

In a specific embodiment, as shown in fig. 5, the lifting device 7 includes a lifting motor 16, a driving pulley 17, a driven pulley 18, a transmission belt 19 and a lead screw 20, one side of the frame 14 is provided with four lifting guide rods 21, a motor fixing plate 15 is fixed at the upper ends of the lifting guide rods 21, the lifting motor 16 is fixed on the motor fixing plate 15, the lifting motor 16 is connected with the driving pulley 17, the driving pulley 17 is connected with the driven pulley 18 through the transmission belt 19, the driven pulley 18 is connected with the lead screw 20 which passes through the motor fixing plate 15 and is parallel to the lifting guide rods 21, the lead screw 20 passes through a nut kit 25 on a lifting table 23 to drive the lifting table 23 to lift, it should be noted that the driving pulley 17 is fixed on a rotating shaft of the lifting motor 16, the lead screw 20 is installed on the driven pulley 18, the driving belt pulley 17 is connected with the driven belt pulley 18 through a transmission belt 19, so that the rotation of the lifting motor 16 is transmitted to the lead screw 20, and the lead screw 20 is matched with the nut kit 25 on the lifting platform 23, so that the lifting motor 16 rotates to drive the lifting platform 23 to lift.

In a specific embodiment, as shown in fig. 6 to 9, a plurality of optical drives 8 are disposed on the lifting platform 23, each optical drive 8 includes an optical drive main body 26, a pick-and-place device, a pick-and-place switch 28 and a delivery-to-place switch 29, the pick-and-place device includes a loading motor 33, a motor gear 34, a first-stage reduction gear 35, a second-stage reduction gear 36, a relay gear 37 and a loading gear 38, the loading motor 33 is coaxially connected to the motor gear 34, the motor gear 34 is engaged with an upper gear of the first-stage reduction gear 35, a lower gear of the first-stage reduction gear 35 is engaged with a middle gear of the second-stage reduction gear 36, an upper gear of the second-stage reduction gear 36 is engaged with the relay gear 37, the relay gear 37 is engaged with the loading gear 38, and the loading gear 38 is configured to be engaged with the loading rack 30 on the tray 13, the lower gear of the second reduction gear 36 passes through the lower part of the optical drive main body 26 to be meshed with the sliding rack 40 on the sliding cam rod 39, the optical disk tray guide slot 27 is arranged on two sides in the optical drive main body 26, the warehouse-in-place switch 28 and the warehouse-out-place switch 29 are respectively arranged at two ends of the optical disk tray guide slot 27 on one side, it should be noted that the motor gear 34 is fixed on the loading motor 33, the loading motor 33 rotates to enable the motor gear 34 to synchronously rotate, the motor gear 34 is meshed with the first reduction gear 35, the first reduction gear 35 is meshed with the second reduction gear 36, the second reduction gear 36 is simultaneously meshed with the relay gear 37 and the sliding rack 40, the relay gear 37 is meshed with the loading gear 38, when the loading motor 33 rotates, the motor gear 34 drives the loading gear 38 to rotate through the first reduction gear 35, the second reduction gear 36 and the relay gear 37, the loading gear 38 is matched with the loading rack 30 on the tray 13 to realize the in-out bin of the tray.

In a specific embodiment, as shown in fig. 8, a cam slide 41 is further disposed at the bottom of the sliding cam rod 39, the cam slide 41 includes a first slide 43, a second slide 44 and a third slide 45, the second slide 44 is parallel to the sliding rack 40, a first slide 43 and a third slide 45 inclined to the sliding rack 40 are disposed at two ends of the second slide 44, the first slide 43, the second slide 44 and the third slide 45 are sequentially communicated, the driving pin 32 on the lifting platform 23 slides in the cam slide 41, and by rotation of the loading motor, engagement between the secondary reduction gear 36 and the slide rack 40 drives the sliding cam rod 39 to move left and right, so that the driving pin 32 is prevented from sliding relatively in the cam slide 41 according to the table, thereby driving the optical drive to move back and forth.

In a specific embodiment, as shown in fig. 6, the lifting table 23 is further provided with two parallel feeding guide rods 24, the bottom of the optical drive 8 is provided with a slide block 47, the feeding guide rods 24 penetrate through the slide block 47 to enable the optical drive 8 to slide on the two feeding guide rods 24, the sliding cam rod 39 is further provided with a sliding groove for sliding connection with the optical drive 8, a sliding connection piece penetrates through the sliding groove and is fixed at the bottom of the optical drive, the optical drive 8 is slidably connected with the sliding cam rod 39, the driving pin 32 fixed on the lifting table 23 slides relatively in the cam slideway 41 on the sliding cam rod 39, and the optical drive is limited on the two feeding guide rods 24 by the two parallel feeding guide rods 24 to move back and forth, so that the optical drive can accurately correspond to the fixed position of the optical disk cartridge, and loading and unloading of the optical disk are achieved.

In an embodiment, as shown in fig. 2 and fig. 5, the positioning device includes a positioning hole 11 for a disc drive set fixed on the disc storage system 1 and a positioning pin 31 for a disc drive set fixed on the frame 14, and the positioning pin 31 for a disc drive set is pushed into the positioning hole 11 for the disc drive set to fix the disc drive set 2.

In an embodiment, as shown in fig. 5, the moving device includes universal wheels 22, the universal wheels 22 are fixed at four corners of the bottom of the frame 14, and the optical disc drive set can move freely through the universal wheels 22.

In a specific embodiment, as shown in fig. 4, the bottom of the frame 14 is further provided with a power supply device 9 and a server 10.

In this embodiment, the optical disc drive 8 can pick and place the tray in the following working states:

the pick-and-place device, the sliding cam rod 39 and the driving pin 32 are matched to realize the advance and retreat of the optical drive 8 in the y-axis direction, so that the loading gear 38 is meshed with the loading rack 30 on the tray 13 to realize the pick-and-place of the tray 13, the specific motion mode is that the pick-and-place device is arranged in the optical drive main body 26, a loading motor 33 drives a first-stage reduction gear 35, a second-stage reduction gear 36, a relay gear 37 and the loading gear 38 to rotate, the loading gear 38 is meshed with the loading rack 30 on the tray 13 to realize the pick-and-place of the tray 13, the second-stage reduction gear 36 is simultaneously meshed with the sliding rack 40, as the bottom of the optical drive main body 26 is in sliding connection with the feeding guide rod 24, the optical drive main body 26 can only move back and forth along the y direction of the feeding guide rod 24, when the loading motor 33 rotates, the second-stage reduction gear 9 is meshed with and slides on the sliding rack 40 to ensure that the sliding cam rod 39 slides on the bottom of the optical drive main body 26, the bottom of the slide cam lever 39 is further provided with a cam slide 41 which engages with the drive pin 32 on the lift table 23, and when the slide cam lever 39 is moved in the x-axis direction, the drive pin 41 slides in the opposite direction with respect to the slide cam lever 39, and since the slide cam lever 39 is provided with a cam slide 41 which changes in the y-direction for direction limitation, the optical drive main body 26 can advance or retreat in the y-axis direction for contact engagement with the loading rack 30 on the tray 13.

Automatic loading and unloading of optical discs can be performed according to the following table:

optical disk loading and unloading time sequence table

And (3) loading process: the loading motor 33 rotates counterclockwise, the primary reduction gear 35 rotates clockwise, the secondary reduction gear 36 rotates counterclockwise, the relay gear 37 rotates clockwise, the loading gear 38 rotates counterclockwise, and at this time, the slide cam lever 14 moves forward to the x-axis;

in the front loading stage, the tray 13 is in a static state in the disc box, the driving pin 32 slides on the third slide way 45 according to the chart, at this time, the driving pin 32 moves towards the negative direction of the x axis relative to the sliding cam rod 14, the optical drive main body 26 advances towards the negative direction of the y axis, and the loading gear 38 is meshed with the loading rack 30;

in the loading rear section, the driving pin 32 slides along the second slideway 44, at this time, the position of the optical drive main body 26 in the y-axis direction is unchanged, the loading gear 38 rotates to enable the tray 13 to move in the optical drive direction in the optical disk box, after the driving pin 32 slides into the first slideway 43, the optical drive main body 26 slides in the y-axis positive direction to enable the optical drive main body 26 to be separated from the optical disk box, and after the tray 13 triggers the bin-in-place switch 28, the loading motor 33 stops rotating, and the optical disk can be read by the optical drive;

and (3) unloading process: the loading motor 33 rotates clockwise, the primary reduction gear 35 rotates counterclockwise, the secondary reduction gear 36 rotates clockwise, the relay gear 37 rotates counterclockwise, the loading gear 38 rotates clockwise, and at this time, the slide cam lever 14 moves in the x-axis negative direction;

in the unloading front section, the driving pin 32 slides from the first slideway 43 to the second slideway 44, at this time, the optical drive main body 26 moves towards the negative direction of the y axis, so that the loading gear 38 contacts with the optical disk box, when the driving pin 32 slides on the second slideway 44, the loading gear 38 returns the tray 13 to the optical disk box in the process, when the driving pin 32 moves to the connecting inflection point of the second slideway 44 and the third slideway 45, the tray 13 just triggers the bin-out-to-position switch 29, the tray 13 is separated from the loading gear 38, at this time, the loading motor 33 does not stop working, but continues to rotate for a period of time;

in the unloading later stage, the loading motor 38 continues to rotate clockwise, and at this time, the driving pin 32 slides along the third slide track 45, and the optical drive main body 26 moves in the positive y-axis direction and returns to the initial position.

The specific implementation scheme is as follows:

the CD-ROM group 2 is moved to the position of a CD-ROM 4 on the disk storage system 1 to be read and written through the universal wheel 22, the CD-ROM group positioning pin 31 on the CD-ROM group 2 is aligned with the CD-ROM group positioning hole 11 on the disk storage system 1 and pushed in, so as to ensure that the CD-ROM and the CD-ROM are aligned in the front-back and left-right positions in the horizontal direction, at the moment, the CD-ROM stays at the initial position, and the loading gear 38 on the CD-ROM is not meshed with the loading rack 30 on the tray 13 of the CD-ROM 4.

When the optical disc drive set 2 is started, the loading motor 33 on the optical disc drive starts to work, the motor gear 34 drives the sliding cam rod 39 and the loading gear 38 through the primary reduction gear 35, the secondary reduction gear 36 and the relay gear 37, and the cam slide way 40 on the sliding cam rod 39 moves relative to the driving pin 32 on the lifting platform 23 to drive the optical disc drive to feed towards the optical disc cassette direction, as shown in fig. 10 and 11.

When the loading gear 38 on the optical drive is engaged with the loading rack 30 on the tray of the disc box, the cam slideway 41 on the sliding cam rod 39 controls the optical drive not to feed any more, at this time, the loading motor 33 still works, the tray 13 and the optical disc loaded on the tray are taken out from the disc box 4 and conveyed to the optical drive 8 by the engagement of the loading gear 38 and the loading rack 30, when the tray 13 is to be in place, the cam slideway 41 controls the optical drive to return to the initial position, and the loading motor stops working until the tray 13 triggers the bin-in-place switch 28, so that the loading process of the optical disc is completed.

The nut sleeve 25 on the lifting platform 23 is matched with the screw rod 20 in the frame 14, so that the lifting platform 23 can be lifted in the vertical direction, and other optical disks in the optical disk cartridge can be loaded by other optical disk drives.

After the optical disc is read and written by the optical disc, the loading motor 33 starts to work reversely to drive the sliding cam rod 39 and the loading gear 38, the sliding cam rod 39 drives the optical disc 8 to feed to the optical disc box 4 again, meanwhile, the loading gear 38 drives the tray 13 to move out of the bin and return to the optical disc box 4 until the tray 13 triggers the bin-out-to-position switch 29, at this time, the loading motor 33 does not stop working immediately, a period of time needs to be set to allow the sliding cam rod 39 to drive the optical disc 8 to return to the initial position and then stop working, and thus, the unloading process of the optical disc is completed.

By lifting the lifting platform 23, the other optical drives 8 finish unloading the optical discs in their respective bins in the same way.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A self-loading optical disc storage device for a mobile expandable optical disc drive, comprising: the device comprises a fixed disk storage system (1) and a movable optical drive group (2), wherein the optical drive group (2) is connected with the disk storage system (1) through a positioning device;

the disc storage system (1) comprises a disc storage rack (3), disc boxes (4) and a tray (13), discs are placed in the tray (13), a loading rack (30) is arranged on the tray (13), more than one tray (13) is movably arranged in the disc boxes (4), and more than one disc box (4) is placed on the disc storage rack (3);

optical drive group (2) are including frame (14) and optical drive (8), be equipped with mobile device, elevating gear (7) and optical drive (8) on frame (14), be equipped with on optical drive (8) and get and put the device, mobile device be used for with frame (14) remove extremely storage system (1) department, elevating gear (7) are used for removing optical drive (8) to the required CD department of reading, it is used for cooperating tray (13) to follow to get the optical disc from optical disc casket (4) and puts on optical drive (8), perhaps cooperation tray (13) are followed it puts back to get the optical disc from optical drive (8) in optical disc casket (4).

2. The optical disk storage device of claim 1, wherein the lifting device (7) comprises a lifting motor (16), a driving pulley (17), a driven pulley (18), a driving belt (19) and a lead screw (20), the frame (14) is provided with four lifting guide rods (21), the upper ends of the lifting guide rods (21) are fixed with a motor fixing plate (15), the lifting motor (16) is fixed on the motor fixing plate (15), the lifting motor (16) is connected with the driving pulley (17), the driving pulley (17) is connected with the driven pulley (18) through the driving belt (19), the driven pulley (18) is connected with the lead screw (20) which passes through the motor fixing plate (15) and is parallel to the lifting guide rods (21), the screw rod (20) penetrates through a nut kit (25) on the lifting platform (23) to drive the lifting platform (23) to lift.

3. A mobile expandable optical disc drive self-loading optical disc storage device according to claim 2, wherein a plurality of optical disc drives (8) are disposed on the lifting platform (23), the optical disc drives (8) comprise optical disc drive main bodies (26), pick-and-place devices, a pick-and-place switch (28) and a pick-and-place switch (29), the pick-and-place devices comprise a loading motor (33), a motor gear (34), a primary reduction gear (35), a secondary reduction gear (36), a relay gear (37) and a loading gear (38), the loading motor (33) is coaxially connected with the motor gear (34), the motor gear (34) is engaged with an upper gear of the primary reduction gear (35), a lower gear of the primary reduction gear (35) is engaged with a middle gear of the secondary reduction gear (36), and an upper gear of the secondary reduction gear (36) is engaged with the relay gear (37), the relay gear (37) is meshed with the loading gear (38), the loading gear (38) is used for being meshed with a loading rack (30) on the tray (13), a lower gear of the secondary reduction gear (36) penetrates through the lower portion of the CD driver main body (26) to be meshed with a sliding rack (40) on a sliding cam rod (39), CD tray guide grooves (27) are formed in two sides in the CD driver main body (26), and the warehouse-in-place switch (28) and the warehouse-out-place switch (29) are arranged at two ends of the CD tray guide groove (27) on one side respectively.

4. A mobile expandable optical disc drive self-loading optical disc storage device according to claim 3, wherein a cam slide way (41) is further provided at the bottom of the sliding cam lever (39), the cam slide way (41) comprises a first slide way (43), a second slide way (44) and a third slide way (45), the second slide way (44) is parallel to the sliding rack (40), the first slide way (43) and the third slide way (45) inclined to the sliding rack (40) are provided at two ends of the second slide way (44), the first slide way (43), the second slide way (44) and the third slide way (45) are sequentially communicated, and the driving pin (32) on the lifting platform (23) slides in the cam slide way (41).

5. A mobile expandable optical drive self-loading optical disc storage device according to claim 3, wherein the lifting platform (23) is further provided with two parallel feeding guide rods (24), the bottom of the optical drive (8) is provided with a slide block (47), and the feeding guide rods (24) pass through the slide block (47) to enable the optical drive (8) to slide on the two feeding guide rods (24).

6. A mobile expandable optical disc drive self-loading optical disc storage device according to claim 1, wherein the positioning device comprises an optical disc drive positioning hole (11) fixed on the optical disc storage rack (3) and an optical disc drive positioning pin (31) fixed on the frame (14), the optical disc drive positioning pin (31) can be inserted into the optical disc drive positioning hole (11).

7. The apparatus of claim 1, wherein the moving means is a universal wheel (22), and the universal wheel (22) is fixed at four corners of the bottom of the frame (14).

8. The apparatus according to claim 1, wherein the bottom of the frame (14) is further provided with a power supply (9) and a server (10).