CN111276167B

CN111276167B - Data exchange device and method between internal and external networks based on optical disk

Info

Publication number: CN111276167B
Application number: CN202010072466.8A
Authority: CN
Inventors: 李永; 陈洪堂; 左毅; 杨雪
Original assignee: University of Jinan
Current assignee: Shandong Ezcode Intelligent Technology Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2021-03-19
Anticipated expiration: 2040-01-21
Also published as: CN111276167A

Abstract

The invention relates to a data exchange device between internal and external networks based on optical disk and its application method, the technical scheme is: including installing input manipulator, output manipulator and the rotatory tray at quick-witted incasement portion, rotatory tray is located the below of baffle and can rotates, input manipulator is less than output manipulator and both angulations set up, rotatory tray is in the common stroke scope of input manipulator and output manipulator. The optical disk grabbing device has the advantages that the input end mechanical arm only moves up and down to place the grabbed optical disk into the rotating tray, the optical disk falls into the grabbing range of the output end mechanical arm after rotating for a certain angle by utilizing the horizontal rotation of the rotating tray, the optical disk is sent into the upper part through the output end mechanical arm, namely, the mechanical arm which only moves up and down is used for replacing the swing mechanical arm to convey the optical disk, and the stability and the reliability are improved.

Description

Data exchange device and method between internal and external networks based on optical disk

Technical Field

The invention relates to the technical field of data transmission, in particular to an internal and external network data exchange device based on an optical disk.

Background

Enterprises often adopt an internal and external network isolation mode to avoid confidential information leakage, and physical isolation is mostly adopted in the isolation. Data transmission between internal and external networks mostly adopts storage media to perform data exchange, wherein, the optical disc has the advantages of large storage capacity, convenient storage and the like and is widely applied. The method for exchanging data between internal and external networks by using optical disk is safe and reliable, but the efficiency of traditional manual recording and reading optical disk data is low, and a corresponding data exchange device between internal and external networks is developed to solve the problem.

At present, the existing data exchange device between an internal network and an external network is divided into an input end part and an output end part by physical isolation, an optical disc is used as a medium, and the optical disc is transmitted by a manipulator to complete data exchange; in addition, the current compact disc driver tray of the printer has insensitive induction and often breaks down when in and out, and the compact disc can not be smoothly grabbed by the output end manipulator to the compact disc driver tray of the printer, so that the two reasons are the main reasons for unstable compact disc transmission.

Therefore, in view of the current situation that the conventional intranet/intranet data exchange device is unstable when transmitting an optical disc, it is an urgent need to solve the problem of developing an intranet/intranet data exchange device capable of stably and reliably transmitting an optical disc.

Disclosure of Invention

The invention provides an internal and external network data exchange device based on an optical disk, aiming at the problem that the existing internal and external network data exchange device is unstable when the optical disk is transmitted, and the optical disk can be stably and reliably transmitted.

The adopted technical scheme is as follows: a data exchange device between an internal network and an external network based on a compact disc comprises a case and a baffle plate, wherein the baffle plate is arranged in the case and divides the case into an upper part and a lower part, the data exchange device also comprises an input end mechanical arm, an output end mechanical arm, a compact disc printing device and a rotary compact disc bin which are all arranged in the case, the rotary compact disc bin is arranged at the bottom of the case and comprises a bottom turntable and a plurality of bin positions arranged on the bottom turntable, the bottom turntable can be driven by a power assembly to rotate, the bottom turntable is fixedly connected with a rotary tray through a connecting rod, the rotary tray is arranged below the baffle plate and can rotate, the bin positions on the bottom turntable are in the stroke range of the input end mechanical arm, the input end mechanical arm is lower than the output end mechanical arm, the input end mechanical arm and the output end mechanical arm are arranged at an angle, and the rotary tray, CD printing device includes printer, motor, runner, prints the tray and stretches out sensor, bracket, the motor is fixed on the bracket, the runner is connected in the pivot of motor and is rotated by motor drive, the cooperation of optical drive tray side tip contact on runner and the printer, it stretches out the sensor and installs the front portion at the bracket to print the tray, the optical drive tray is in the stroke scope of output manipulator. The bracket comprises a front limiting part and a side guiding part, a sliding groove matched with the side part of the CD-ROM drive tray is formed in the side guiding part, and the front limiting part is higher than the CD-ROM drive tray. By arranging the rotatable optical disk bin and the rotatable tray, when the optical disk is conveyed between the lower part and the upper part of the case, the optical disk grabbed by the input end mechanical arm can be placed into the rotatable tray only by moving up and down, the optical disk is enabled to fall into the grabbing range of the output end mechanical arm after rotating a certain angle by utilizing the horizontal rotation of the rotatable tray, and the optical disk is sent into the upper part by the output end mechanical arm, so that the problems of gap and instability existing in the mode that the optical disk is conveyed up and down by swinging of the mechanical arm in the existing exchange device are solved, and the stability and the reliability are improved; the position that stretches out the sensor through the tray and judge the CD driver tray and then control the motor and just reverse, utilize the side cooperation of runner and CD driver tray to drive the CD driver tray and do the business turn over motion, accurate control CD driver tray business turn over is in order to do benefit to the manipulator snatching and placing the CD in the tray, and utilize side guide to realize that the CD driver tray is steadily to do the roll-off motion, play and support the effect with the direction to the CD driver tray, spacing portion blocks spacingly the CD driver tray before utilizing, make its roll-off to a certain position can stop, guarantee the accuracy of roll-off position, the stable reliability of CD conveying has further been improved. The two are combined for improvement, and the working stability of the data exchange device is enhanced on the whole.

Furthermore, the output end mechanical arm is fixed on the side wall of the case, the input end mechanical arm is positioned on the opposite side of the output end mechanical arm, and the bottom of the input end mechanical arm is fixed at the bottom of the case. The output end mechanical arm is arranged opposite to the input end mechanical arm, the angle is 180 degrees basically, the space is reasonably occupied, the interference between the mechanical arm and other parts during movement is avoided, and the installation and the work of the rotary tray are facilitated.

Furthermore, a conveying hole is formed in the partition plate, and the bottom of the output end mechanical arm penetrates through the conveying hole. The rotating tray is used for transferring the upper part and the lower part, and the conveying holes are formed in the partition plate, so that the output end mechanical arm can smoothly grab the optical disc on the rotating tray after penetrating through the partition plate.

Furthermore, the rotating tray comprises two symmetrically arranged optical disk storage areas, and the position spaced by 90 degrees from the optical disk storage areas is a vacant area. The optical disk storage areas are provided with a vacant position (namely, an open space) between the two optical disk storage areas so as to facilitate the mechanical arm to pass through the optical disk rotating tray when the mechanical arm grabbing part moves up and down, and the interference is avoided.

Further, still include rotatory CD storehouse, rotatory CD storehouse is installed in the bottom of quick-witted case, rotatory tray links firmly with rotatory CD storehouse through the connecting rod.

Furthermore, rotatory CD storehouse includes the bottom carousel, installs a plurality of positions on the bottom carousel, the bottom carousel can rotate by power component drive, the bottom of connecting rod is fixed on the bottom carousel, and the axis of connecting rod is coaxial with the rotation axis of bottom carousel. The rotation that realizes through bottom carousel drives the rotation of rotatory tray, and the bottom drive is more stable.

Furthermore, the power assembly comprises a servo motor and a pinion in transmission connection with the servo motor, the bottom turntable is a bull gear, and the pinion is in meshing connection with the bottom turntable. The rotation of the rotary optical disk bin is realized, and the position change of a plurality of optical disk bin positions and the rotation of the rotary tray are further realized.

The input manipulator includes elevating system and can follow the mechanism that snatchs that elevating system reciprocated, it includes hand claw step motor, connects rotatory hand claw and the determine module on step motor to snatch the mechanism, rotatory hand claw is driven by step motor and can snatch the optical disc, determine module installs the one side at step motor. And detecting whether the grabbing hand is in place or not by using the detection assembly so as to ensure that the rotating paw can grab the optical disk correctly.

The detection assembly comprises a detection stop block and a CD grabbing in-place sensor, the right side of the detection stop block is hinged to the stepping motor, and the mounting support of the stepping motor stops the detection stop block after the left side of the detection stop block rotates for a certain angle. Through setting up the detection dog into swing arm structure, its one end can swing certain angle, when the expansion end that detects the dog touches the CD, upwards swing triggers the CD and snatchs the sensor that targets in place to this judges and control rotatory hand claw and snatchs the CD, compares with original displacement sensor, utilizes the contact to trigger formula structure, can be more direct, accurate acquire data, and the cost is lower.

The data recording device is arranged in the case and is positioned below the baffle, and the data recording device is within the stroke range of the input end manipulator. The optical disk is taken and placed in the data recording device through the input end mechanical arm, and the optical disk records data in the data recording device, namely the recording of partial data at the input end is completed.

The optical disc printing device is fixed in the machine case and positioned on the upper portion of the storage optical disc bin. The data in the optical disk can be read and printed, and the optical disk can be stored, so that an output end portion is formed, and the output end portion is matched with an input end portion to complete data exchange between an internal network and an external network.

The intelligent control system further comprises a first control device and a second control device, wherein the first control device is installed at the upper part of the case, and the second control device is installed at the lower part of the case. The independence between the input end part and the output end part is realized, and the two sets of control devices respectively control the parts.

The invention also provides a method for using the data exchange device between the internal network and the external network, which comprises the following steps:

a1: the operator inputs data into the second control device;

a2: the second control device controls the servo motor to rotate to drive the optical disk bin to rotate;

a3: the input end mechanical arm moves to grab the optical disk in the optical disk bin, drives the optical disk to move upwards, and places the optical disk into the data recording device for recording;

a4: after the recording is finished, the input end mechanical arm grabs the optical disk to move upwards, and at the moment, the servo motor drives the bottom turntable to rotate so as to drive the rotating tray to rotate and reach a corresponding position;

a5: the input end mechanical arm moves downwards to place the optical disk into the rotating tray, and the servo motor drives the rotating tray to rotate to the stroke range of the output end mechanical arm;

a6: the output end mechanical arm grabs the optical disk to move upwards and places the optical disk into the data reading device for data reading, and meanwhile, the first control device sends the data to the external network;

a7: after the data reading is finished, the output end mechanical arm grabs the optical disk to move upwards and sends the optical disk to the printer to print the disk surface;

a8: after printing is finished, the output end mechanical arm grabs the optical disk to move downwards and puts the optical disk into a certain position in the optical disk storage bin through the rotation of the mechanical arm.

The invention adopts the technical scheme, and has the following advantages:

according to the scheme, the rotatable rotary tray is arranged, when the optical disk is conveyed between the lower part and the upper part of the case, the optical disk which is grabbed can be placed into the rotary tray by the aid of the vertical movement of the input end mechanical arm, the optical disk is enabled to fall within the grabbing range of the output end mechanical arm after rotating for a certain angle by the aid of horizontal rotation of the rotary tray, and the optical disk is fed into the upper part by the aid of the output end mechanical arm, so that the problems of gaps and instability existing in a mode that the optical disk is conveyed up and down by means of swinging of the mechanical arm in an existing exchange device are solved, and stability; the position that stretches out the sensor through the tray and judge the CD driver tray and then control the motor and just reverse, utilize the side cooperation of runner and CD driver tray to drive the CD driver tray and do the business turn over motion, accurate control CD driver tray business turn over is in order to do benefit to the manipulator snatching and placing the CD in the tray, and utilize side guide to realize that the CD driver tray is steadily to do the roll-off motion, play and support the effect with the direction to the CD driver tray, spacing portion blocks spacingly the CD driver tray before utilizing, make its roll-off to a certain position can stop, guarantee the accuracy of roll-off position, the stable reliability of CD conveying has further been improved. The two are combined for improvement, and the working stability of the data exchange device is enhanced on the whole.

Drawings

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

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the rotating optical disc cartridge and the rotating tray in fig. 1.

Fig. 3 is a schematic structural diagram of the input end robot in fig. 1.

Fig. 4 is a schematic structural diagram of the baffle and the storage optical disk cartridge in fig. 1.

Fig. 5 is a schematic structural view of the optical disc printing apparatus of fig. 1.

Fig. 6 is a schematic structural diagram of the output end manipulator in fig. 1.

In the figure, 1, a rotating optical disk cabin, 2, a data recording device, 3, an input end mechanical arm, 4, an optical disk printing device, 5, a case, 6, a first control device, 7, an output end mechanical arm, 8, a storage optical disk cabin, 9, a data reading device, 10, a second control device, 11, a sensor of whether the optical disk exists or not, 12, a servo motor, 13, a bottom turntable, 14, a pinion, 15, a first optical disk tray, 16, an optical disk cabin position sensor, 17, a rotating tray, 18, a connecting rod, 19, a first limiting rod, 20, an optical disk, 21, a lifting servo motor, 22, a hand claw stepping motor, 23, a detection block, 24, an optical disk grabbing in-position sensor, 25, a vertical arm, 26, a rotating wheel, 27, a motor, 28, a printing tray extending sensor, 29, a front limiting part, 30, an optical disk tray, 31, a side guiding part, 32, a printer, 33, a lifting servo motor, 34. the device comprises a rotary steering engine 35, a paw rotary stepping motor 36, an optical disk 37, a detection component 38, a displacement sensor 39, a swing arm 40, a vertical arm 41, a first sensor 42, a second sensor 43, a third sensor 44, a fourth sensor 45, a second optical disk tray 46 and a second limiting rod.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. 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.

As shown in fig. 1 to 6, a data exchange device between an intranet and an extranet based on an optical disc can be divided into an input end portion and an output end portion, the input end portion includes a rotary optical disc magazine 1, a data recording device 2 and an input end manipulator 3, the output end portion includes a storage optical disc magazine 8, a data reading device 9, an optical disc printing device 4 and an output end manipulator 7, the input end portion and the output end portion each use an independent control device, and use an optical disc as a medium for data transmission to physically separate the intranet from the extranet, and use data transmission from the intranet to the extranet, and use data transmission from the extranet to the intranet, but only use data transmission in one direction.

In the present embodiment, the two parts are installed in a chassis 5, the specific installation manner is shown in fig. 1, the interior of the chassis 5 is divided into an upper part and a lower part by a partition, a rotary optical disc magazine 1, a data recording device 2, a data reading device 9 and a second control device 10 are installed in the lower part of the chassis 5, most of the input end manipulator 3 and a small part of the output end manipulator 7 are also located in the lower part of the chassis 5, the lower part of the chassis 5 mainly performs the function of the input end part, specifically, the second control device 10 is fixed on the side wall of the chassis 5, the rotary optical disc magazine 1 is installed at the bottom of the chassis 5, the rotary optical disc magazine 1 comprises a servo motor 12, a pinion 14, a bull gear (and a bottom turntable 13), a first limit rod 19 and a first optical disc tray 15, the servo motor 12 is in transmission connection with the pinion 14, the pinion 14 is in meshing connection with, the plurality of limiting rods 19 and the four first optical disk trays 15 are arranged on the upper end face of the large gear and are combined to form four optical disk storage positions for storing optical disks, the four optical disk storage positions are arranged around a connecting rod 18 fixed in the middle of the large gear, the axis of the connecting rod 18 is coaxial with the rotating shaft of the large gear, the top of the connecting rod 18 is fixedly connected with a rotating tray 17, the large gear is driven to rotate through a servo motor 12, and therefore the positions of the four optical disk storage positions are changed and the rotating tray 17 is driven to rotate; the data recording device 2 is fixed on the case 5 and positioned above the rotary tray 17 and below the partition plate; the bottom of the input end mechanical arm 3 is fixed at the bottom of the case 5, or in order to be firmer, one side of the input end mechanical arm is fixedly connected on the side wall of the case 5 through a connecting piece, the mechanical arm grabbing part smoothly grabs the optical disk into the data recording device 2 and the rotating tray 17 in a limited space, so that the top of the input end mechanical arm 3 passes through the partition board, namely the data recording device 2, the rotating tray 17 and the four optical disk bin positions are all in the grabbing stroke range of the input end mechanical arm 3, because the rotating tray 17 can drive the four optical disk bins to rotate, the mechanical arm which can only move up and down is used, namely an invention point in the scheme is that because the existing input end mechanical arm 3 uses the swinging mechanical arm, the swinging mechanical arm can generate gaps and unstable conditions after being used for a period of time, the accuracy and the smooth operation of the optical disk transmission are, the stability and the reliability of the manipulator during transmission are improved. The rotating tray 17 includes two symmetrically disposed optical disk storage areas, and a position spaced 90 degrees from the optical disk storage areas is a vacant area, so that a vacant position (i.e., an open space) is left between the two optical disk storage areas to facilitate the mechanical arm to pass through the optical disk rotating tray 17 when the mechanical arm picks up the optical disk to move up and down, thereby avoiding interference.

The optical disk printing device 4, the optical disk storage bin 8 and the first control device 6 are installed in the upper portion of the case 5, the first control device 6 is fixed on one side wall of the case 5, the optical disk storage bin 8 is installed on the upper end face of the baffle and consists of a plurality of second limiting rods 46 and three second optical disk trays 45, three optical disk storage bins are formed and serve as optical disk storage areas after optical disk data are read, each bin is constructed by three second limiting rods 46, each bin is internally provided with the second optical disk tray 45 for supporting an optical disk, the three second optical disk trays 45 are installed on the partition, adjacent bins are spaced by 60 degrees, and in the swing range of the grabbing portion of the output end manipulator 7, the optical disk can be placed into each bin through the swing of the grabbing portion of the output end manipulator 7; the optical disk printing device 4 is fixed on the case 5 and is positioned above the storage optical disk bin 8; a conveying hole is formed in the partition plate, the bottom of the output end mechanical arm 7 penetrates through the conveying hole, and the data reading device 9 is arranged close to the output end mechanical arm 7, namely the optical disk printing device 4, the storage optical disk bin 8, the data reading device 9 and the rotating tray 17 are all in the stroke range of the output end mechanical arm 7; the output end mechanical arm 7 is fixed on the side wall of the case 5, the input end mechanical arm 3 is located on the opposite side of the output end mechanical arm 7, the bottom of the output end is fixed at the bottom of the case 5, the output end mechanical arm 7 is arranged opposite to the input end mechanical arm 3, the angle is 180 degrees basically, the space is reasonably occupied, interference between the mechanical arm and other parts during movement is avoided, and the installation and the work of the rotary tray 17 are facilitated.

Further improvement scheme is in addition, the optical disc printing device 4 is located above the storage optical disc bin 8, the optical disc printing device 4 comprises a printer 32 and a tray driving component, the tray driving component can drive an optical disc drive tray 30 on the printer 32 to move in and out, concretely, the tray driving component comprises a motor 27, a rotating wheel 26, a printing tray extension sensor 28 and a bracket, the motor 27 is fixed on the bracket, the rotating wheel 26 is connected on a rotating shaft of the motor 27 and is driven by the motor 27 to rotate, the rotating wheel 26 is in contact fit with the side end part of the optical disc drive tray 30, the printing tray extension sensor 28 is installed at the front part of the bracket, the position of the optical disc drive tray 30 is judged by the printing tray extension sensor 28 so as to control the motor 27 to rotate positively and negatively, the optical disc drive tray 30 is driven to move in and out by the cooperation of the rotating wheel 26 and the side surface of the optical disc drive tray 30, the optical disc, the engagement of the wheel 26 with the tray 30 may be by means of an inter-tooth engagement or by means of a friction fit with a rough surface. The bracket comprises a front limit part 29 and a side guide part 31, a sliding groove matched with the side part of the CD-ROM drive tray 30 is formed in the side guide part 31, the front limit part 29 is higher than the CD-ROM drive tray 30, the CD-ROM drive tray 30 can stably slide in and slide out by utilizing the side guide part 31, the CD-ROM drive tray 30 is supported and guided, the front limit part 29 is utilized to block and limit the CD-ROM drive tray 30, the CD-ROM drive tray can be stopped when sliding out to a certain position, and the accuracy of the sliding-out position is ensured.

The working process of the device is as follows: if the intranet needs to transmit data to the extranet, workers can operate under the control of a computer, firstly identify the identity correctly and then transmit the data, and the data exchange device starts to perform data exchange operation after receiving the command. After data is input into the second control device 10, corresponding operations are started, firstly, the large gear rotates under the driving of the servo motor 12, so that the corresponding optical disk bin is positioned at the grippable position of the input end mechanical arm 3, then the input end mechanical arm 3 grabs the optical disk to move upwards and put the optical disk into the data recording device 2 for recording, after the data recording is finished, the input end mechanical arm 3 grabs the optical disk to move upwards, at the moment, the servo motor 12 drives the large gear to rotate and further drives the rotating tray 17 to rotate, the input end mechanical arm 3 grabs the optical disk to move downwards and place the optical disk in the rotating tray 17, after the rotating tray 17 rotates 180 degrees, the optical disk is sent to the stroke range of the output end mechanical arm 7, the output end mechanical arm 7 grabs the optical disk to move upwards to the data reading device 9 and send the optical disk into the data reading device for data reading, and simultaneously, the first control device 6 controls corresponding operation to store the optical disk, after the data reading is finished, the output end mechanical arm 7 grabs the optical disk to move upwards to feed the optical disk into the printer device, the printer prints the surface of the optical disk, and after the printing is finished, the output end mechanical arm 7 grabs the optical disk to place the optical disk into a certain bin position in the optical disk storage bin 8, so that the data exchange is finished.

It should be noted that, the actions of the manipulator are all completed by detecting the sensing device and the control device, and the corresponding parts in the scheme are all provided with sensors to judge the in and out of the CD-ROM tray, the position of the grabbing part of the manipulator and the existence of the CD; the part of the manipulator for grabbing the optical disk can use a vacuum principle to absorb the optical disk or a mechanical hook to grab or an electromagnet principle to match with a ferromagnetic substance to grab; such correlation techniques are known in the art and can be implemented by those skilled in the art.

Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A data exchange device between an internal network and an external network based on an optical disk comprises a case (5) and a partition board, wherein the partition board is arranged in the case (5) and divides the case into an upper part and a lower part, and is characterized by further comprising an input end mechanical arm (3), an output end mechanical arm (7), an optical disk printing device (4) and a rotary optical disk bin (1) which are all arranged in the case (5), wherein the rotary optical disk bin (1) is arranged at the bottom of the case, the rotary optical disk bin (1) comprises a bottom rotary disk (13) and a plurality of bin positions arranged on the bottom rotary disk (13), the bottom rotary disk (13) is driven by a power assembly to rotate, the bottom rotary disk (13) is fixedly connected with a rotary tray (17) through a connecting rod, the rotary tray (17) is positioned below the partition board and can rotate, the optical disk bin position on the bottom rotary disk (13) is in the stroke range of the input end mechanical arm (3), input manipulator (3) are less than output manipulator (7) and both become the angle setting, rotatory tray (17) are in the common stroke range of input manipulator (3) and output manipulator (7), CD printing device (4) include printer (32), motor (27), runner (26), print the tray and stretch out sensor (28), bracket, motor (27) are fixed on the bracket, runner (26) are connected in the pivot of motor (27) and are rotated by motor (27) drive, CD-ROM drive tray (30) side tip contact cooperation on runner (26) and printer (32), print the tray and stretch out sensor (28) and install the front portion at the bracket, CD-ROM drive tray (30) are in the stroke range of output manipulator (7).

2. The device according to claim 1, wherein the bracket comprises a front stopper (29) and a side guide (31), the side guide (31) has a slot for engaging with a side of the optical disc drive tray (30), and the front stopper (29) is higher than the optical disc drive tray (30).

3. A disc-based data exchange device between an internal and external networks according to claim 1, wherein said power assembly comprises a servo motor (12) and a small gear (14) in transmission connection therewith, said bottom rotary disc (13) is a large gear, and said small gear (14) is in mesh connection with said bottom rotary disc (13).

4. An optical disc based internet/intranet data exchange apparatus according to claim 1, wherein the rotary tray (17) includes two symmetrically disposed optical disc storage areas, and a position spaced 90 degrees from the optical disc storage areas is a free space area.

5. The optical disc based data exchange device between an internal network and an external network according to claim 1, wherein the input end manipulator (3) comprises an elevating mechanism and a grabbing mechanism which can move up and down along the elevating mechanism, the grabbing mechanism comprises a paw stepping motor (22), a rotary paw connected to the paw stepping motor (22), and a detection component, the rotary paw is driven by the paw stepping motor (22) and can grab the optical disc, and the detection component is connected to two sides of the paw stepping motor (22).

6. The optical disc based internet and intranet data exchange device according to claim 5, wherein the detection assembly comprises a detection stop block (23) and an optical disc capture in-place sensor (24), the right side of the detection stop block (23) is hinged with the paw stepping motor (22), and the mounting bracket of the paw stepping motor (22) blocks the left side of the detection stop block (23) after the left side of the detection stop block rotates a certain angle.

7. The optical disc-based data exchange device between an internal network and an external network according to claim 1, further comprising a data recording device (2), wherein the data recording device (2) is installed inside the case and below the baffle, and the data recording device (2) is within the range of the stroke of the input end manipulator (3).

8. The device for exchanging data between an optical disc-based intranet and an optical disc-based intranet according to claim 7, further comprising a data reading device (9) within the range of the stroke of the output end manipulator (7) and a storage optical disc bin (8), wherein the data reading device (9) is fixedly connected inside the case and positioned below the baffle, and the storage optical disc bin (8) is installed on the upper portion of the baffle.

9. An optical disc based inter-internet and inter-network data exchange apparatus according to claim 8, further comprising a first control apparatus (6) and a second control apparatus (10), wherein the first control apparatus (6) is installed at an upper portion of the cabinet, and the second control apparatus (10) is installed at a lower portion of the cabinet.

10. A method for using an intranet and intranet data exchange device, comprising a second control device and the optical disc based intranet and intranet data exchange device of claim 1, further comprising the steps of:

a1: the operator inputs data into the second control device;