KR19980058927A - Loading and unloading device and method of minidisc player - Google Patents

Abstract

The present invention relates to a mini-disc player, which is mounted on a tray (1) and is a power source, a loading motor unit, mounted on the tray (1) and driven by receiving power from the loading motor unit, and a loading groove of a mini-disc (MD). A disc transfer unit for horizontally moving the mini disc MD back and forth between the outside and the storage end 3 while holding the disc and the disc transfer unit horizontally move horizontally from side to side to squeeze or release the mini disc MD. By providing a loading and unloading device composed of means, the configuration is simplified and the assembly process time and cost are reduced, and since it is configured without the roller, it is possible to reliably load and unload, thereby reducing the driving time. This has the effect of extending the overall lifetime of the.

Description

Loading and unloading device and method of minidisc player

The present invention relates to a minidisc player, and more particularly, to a loading and unloading apparatus and method of a minidisc player for facilitating exchange of a minidisc between a tray and a storage stage and between a tray and a disc holder.

In general, a mini disc player plays a role of reproducing data stored in a mini disc, an optical recording medium. The mini disc player includes a tray on which a mini disc inserted externally is seated, and a mini disc positioned behind the tray and seated on the tray. And a pickup unit for loading, storing and storing the pickup unit, and a pickup unit positioned at the bottom of the tray to play the mini disc.

In addition, the loading and unloading device of the mini-disc player moves the mini-disc inserted from the outside into the tray or loads the tray from the tray to the housing, and moves the mini-disc seated in the housing into the tray or unloading from the tray. It is responsible for the loading function, it consists of a plurality of loading roller portion mounted in the tray, and a plurality of pinch roller portion for transporting the mini-disc mounted on each storage end to the tray.

That is, the loading and unloading of the mini-disc was possible by driving the plurality of loading roller parts mounted in the tray and the plurality of pinch roller parts mounted in each storage end by the loading motor.

However, the loading roller portion and the pinch roller portion includes a rubber roller, and the roller has a problem in that the elastic force is lost as the use time passes and smooth loading and unloading cannot be performed.

In addition, the roller has a problem that the reliability of loading and unloading of the mini-disc is lost by providing sliding friction without providing friction to the mini-disc when a lubricant such as oil or cream necessary for driving the gear is attached.

Therefore, the present invention has been made to solve the problems described above, the configuration is simplified can reduce the assembly process time and cost, it is possible to load and unload the mini disk without using a roller product An object of the present invention is to provide an apparatus and method for loading and unloading a mini-disc player, which improves the reliability thereof.

1 is a plan view showing a typical mini-disc player,

2 is a view showing an apparatus for loading and unloading a mini disc player according to the present invention;

3 is another embodiment of the disc transfer unit according to the present invention;

Figure 4 is another embodiment of the disk conveying unit according to the present invention,

5 is another embodiment of a loading and unloading device of a mini-disc player according to the present invention;

6 to 8 are flowcharts illustrating a loading and unloading method of a mini disc player according to the present invention.

Explanation of symbols for the main parts of the drawings

1: chassis 2: tray

3: storage stage 4: playing stage

5: loading motor 6: spur gear

7: first sprocket 8: second sprocket

9: timing belt 10: holder

11: loading plate 12: recognition switch

13: Stopper 14: Eject Switch

15: sliding plate 16: diagonal groove

17: drive pin 18: first sensing hole

19: second sensing hole 20: position sensor

21: Initial recognition switch 22: Crimp motor

23: worm gear 24: intermediate gear

25: rack

The loading and unloading device of the mini-disc player according to the present invention for achieving the above object is a miniature loading motor unit mounted on a tray and a power source, and driven by receiving power from the loading motor unit mounted on the tray And a disk conveying unit for horizontally moving the mini disk back and forth between the outside and the storage end while holding the loading groove of the disk, and a conveying unit crimping means for horizontally moving the disk conveying unit horizontally from side to side to compress or depress the mini disk. It is done.

In addition, the loading and unloading device of the mini-disc player according to the present invention is mounted on a tray and driven by a first loading motor unit which is a power source, mounted on the tray and driven by receiving power from the first loading motor unit, and loading a mini-disc. A first disc transfer unit for horizontally moving the mini disc back and forth between the outside and the tray while holding a groove, a second loading motor unit mounted on the tray and a power source, and a power supply of the second loading motor unit mounted on the tray It is characterized in that it comprises a second disk transfer unit for receiving and driving while holding the loading groove of the mini-disk horizontally moved back and forth between the tray and the storage end.

In addition, the loading and unloading method of the mini-disc player according to the present invention includes a first process of inputting a command to store a mini-disc inserted into the storage end, a second process of pressing the mini-disc by the holder, and A third process of loading the mini-disc into the tray, a fourth process of moving the tray to a desired position of the storage end, a fifth process of loading the mini-disc into the storage end, and a sixth process of releasing the mini-disc to the holder It is characterized by consisting of a process.

In addition, the method of loading and unloading a mini-disc player according to the present invention includes a first process of inputting a command to move to an initial position while waiting for a command after loading the mini-disc into the storage stage, and a second movement of the holder to the tray. And a third process of moving the holder to the initial position, and a fourth process of moving the tray to the eject position.

In addition, the method of loading and unloading a mini-disc player according to the present invention includes a first process of seating the first mini-disc on a storage stage and then injecting a second mini-disc stored in another storage stage while waiting for a command; A second process of moving the tray to a desired storage end, a third process of the holder compressing the second mini disc, a fourth process of unloading the second mini disc into the tray, and a process of moving the tray to the eject position And a sixth process of unloading the second mini-disc to the outside, and a seventh process of moving the holder to the initial position.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 illustrates a general multi-mini disc player, in which a tray 2 capable of vertically moving vertically is mounted in the first half of the chassis 1, and a plurality of mini discs MD are mounted in the second half of the chassis 1. A plurality of storage stages 3 to be stored are fixed, and a disc playing stage 4 is mounted in the chassis 1 below the storage stage 3 to play the mini disc MD.

Figure 2 shows the loading and unloading device of the mini-disc player according to the present invention, the loading motor unit mounted on the tray 1 and the power source, and the power of the loading motor unit mounted on the tray 1. A disk transfer part for horizontally moving the mini disc MD back and forth between the outside and the storage end 3 while driving and holding the loading groove of the mini disc MD; It is composed of a conveying unit crimping means to be crimped or decompressed to the (MD).

Here, the loading motor unit is composed of a loading motor 5 as a power source and a spur gear 6 press-fitted to the loading motor 5.

In addition, the disc transfer unit is rotated by the power of the loading motor unit, and the first sprocket (7) and the second sprocket (8) mounted on the rear of the receiving end (3) and the front of the tray (1) and And a timing belt 9 engaged with the first sprocket 7 and the second sprocket 8 and a holder fixed to the timing belt 9 to fit into the loading groove of the mini disc MD. 10, the first shaft 7 and the second sprocket (8) of the rotation axis is fixed and horizontally movable to the left and right loading plate 11 and the position of the mini-disc (MD) senses Recognition switch 12 and the stopper 13 and the tray 1 for allowing the mini-disc MD and the holder 10 to interlock when the mini-disc MD reaches the position where the mini-disc MD fits in the holder 10. It consists of an eject switch (14) which is fixed to and detects that the holder (10) is located in the middle of the tray (1) which is the initial position.

In addition, the conveying unit crimping means includes a crimping motor part as a power source, a sliding plate 15 horizontally moved back and forth by receiving power from the crimping motor part, and an oblique groove 16 formed in the sliding plate 15; A driving pin 17 fixed to the disk conveying part and inserted into the diagonal groove 16 to move the disk conveying part horizontally to the left and right when the sliding plate 15 moves horizontally forward and backward, and formed on the sliding plate 15. The first and second sensing holes (18, 19), the position sensor 20 for detecting the left and right positions of the disc transfer unit by detecting the first and second sensing holes 18 and 19, and the sliding It consists of an initial recognition switch 21 for detecting the initial position of the plate (15).

Here, the crimping motor part includes a crimping motor 22, a worm gear 23 press-fitted into the crimping motor 22, and a medium gear 24 which is a spur gear meshed with the worm gear 23. The rack 25 meshes with the intermediate gear 24 and is formed on the sliding plate 15.

Referring to the operation of the present invention configured as described above are as follows.

First, referring to FIG. 2, a process of loading the mini disc MD from the outside into the storage end 3, the holder 10 is located at an initial position to receive the mini disc MD inserted from the outside. The initial position of the holder 10 is that the eject switch 14 detects the holder 10 and the position sensor 20 detects the first sensing hole 18, so that the holder 10 has the tray 1. It is in contact with the side of the stopper 13 refers to the state entering only the inside of the tray (1).

When the mini-disc MD is inserted from the outside while the holder 10 is waiting at the initial position as described above, the recognition switch 12 detects the mini-disc MD and the stopper 13 detects the mini-disc MD. The holder 10 is smoothly inserted into the loading groove of the mini-disc MD by moving the holder 10 and the loading groove of the mini-disc MD.

At this time, the timing belt 9 is driven together with the holder 10 and the stopper 13 so that the first sprocket 7 is rotated. This is because the spur gear 6 is idling and the first sprocket is rotated. This is because the power of the cat 7 is not transmitted to the loading motor 5.

As described above, when the pressing motor 22 rotates in the disc pressing direction in a state in which the loading grooves of the holder 10 and the mini disc MD are in a straight line, the rack 10 may be mounted through the worm gear 23 and the intermediate gear 24. 25 moves horizontally in the forward direction of the tray 1, which causes the sliding plate 15 to move horizontally in the forward direction of the tray 1.

When the sliding plate 15 moves in the forward direction of the tray 1, the driving plate 17 moves along the trajectory of the diagonal groove 16 and the loading plate 11 restricted to move horizontally left and right is moved to the left. Done.

When the loading plate 11 is moved to the left side and the holder 10 is completely inserted into the loading groove of the mini disc MD, the initial recognition switch 21 detects the sliding plate 15, and the crimping motor 22 is used. ) Stops driving.

When the loading motor 5 is driven in the disc loading direction while the holder 10 holds the loading groove of the mini disc MD as described above, the first sprocket 7 and the second sprocket 8 ) Rotates clockwise, the timing belt 9 is rotated clockwise so that the mini disc MD is loaded into the tray 1 together with the holder 10.

When the mini-disc MD is completely loaded in the tray 1, the loading completion switch 26 detects this, and the loading motor 5 stops driving. In the above state, the tray 1 may be vertically moved by the selecting motor and the step plate to move to the desired storage end 3 position.

When the tray 1 finishes moving to the position of the storage end 3 where the mini disc MD is to be stored, the loading motor 5 drives again in the disc loading direction, so that the timing belt 9 is clockwise. Driving in the direction, the mini-disc (MD) with the holder 10 is loaded from the tray 1 to the storage end (3). When the mini-disc MD is loaded into the storage stage 3, the seating completion switch 27 of the storage stage 3 detects this and the loading motor 5 stops driving.

When the loading of the mini disc MD to the storage end 3 is completed as described above, the holder 10 releases the compression of the mini disc MD, which means that the crimping motor 22 moves in the disc compression release direction. By driving, the sliding plate 15 moves rearwardly of the storage end 3 through the worm gear 23 and the intermediate gear 24, and the driving pin 17 moves along the trajectory of the diagonal groove 16. The plate 11 is moved to the right so that the holder 10 is released from the mini disc MD.

At this time, the pressing motor 22 should be driven until the position sensor 20 detects the second sensing hole 19, which means that the position sensor 20 detects the second sensing hole 19. This is because the loading plate 11 is located at the 'da' position, and this is the position where the holder 10 and the stopper 13 are both out of the storage end 3.

As described above, when both the holder 10 and the stopper 13 are removed from the mini disc MD, when the loading motor 5 is driven in the disc unloading direction, the first sprocket 7 and the second sprop may be used. As the cat 8 and the timing belt 9 are rotated counterclockwise, the holder 10 can be returned to the initial position. When the selecting motor is driven in the above state, the tray 1 is vertically up and down. While moving, it is possible to move to a position of another storage end.

In addition, referring to the process of withdrawing the mini-disc MD stored in the storage stage 3 to the outside, the tray 2 moves to the storage stage 3 in which the mini-disc MD desired to be withdrawn is stored, and the holder 10 ) Holds the loading groove of the mini-disc (MD) seated on the receiving end (3).

At this time, when the holder 10 is in the state where the mini-disc MD is crimped, the crimping motor 22 is driven in the disk crimping direction so that the loading plate 11 is moved from the 'multi' position to the 'ga' position. To move, the completion of the movement of the loading plate 11 can be seen by the initial recognition switch 21 detects the sliding plate (15).

When the holder 10 holds the loading groove of the mini disc MD and the loading motor 5 drives in the disc unloading direction, the timing belt 9 is rotated counterclockwise so that the holder 10 is moved to the tray 1. ), The mini-disc (MD) is unloaded from the storage end (3) to the tray (1).

When the mini-disc MD is unloaded into the tray 1, the loading completion switch 26 of the tray 1 detects this, and the loading motor 5 stops driving. As described above, the tray 1 mounted with the mini-disc MD to be withdrawn is moved to the eject position, which is determined by the selecting motor and the step plate.

When the tray 1 is moved to the eject position, the loading motor 5 is driven again so that the holder 10 unloads the mini disk MD to the outside.

At this time, when the eject switch 14 detects the holder 10, the loading motor 5 stops driving and detects whether the mini disk MD is forcibly taken out from the outside. When the disc MD is pulled out and the recognition switch 12 detects this, the crimping motor 22 rotates in the disc crimping direction so that the positions of the loading plate 11 and the holder 10 are in the 'ga' position. Move to the 'me' position.

When the loading plate 11 and the holder 10 move to the 'I' position and the position sensor 20 detects the first sensing hole 18, the crimping motor 22 stops driving.

However, if the mini disc MD is not forcibly removed from the outside for a predetermined time, the loading motor 5 is driven in the disc loading direction so that the mini disc MD is loaded into the tray 1 together with the holder 10. do.

A method of loading and unloading a mini-disc player configured and acting as described above will be described below with reference to the drawings.

The loading and unloading method of a mini disc player for storing an externally inserted mini disc MD in the storage end 3 may include a first process of inputting a mini disc storage command as shown in FIG. 6, and a holder 10. ) Is a second process of compressing the mini-disc (MD), the third process of the mini-disc (MD) is loaded into the tray 1, and the tray 1 is moved to the position of the desired storage end (3) A fourth process, a fifth process in which the mini-disc MD is loaded into the storage end 3, and a sixth process in which the holder 10 releases the mini-disc MD.

Here, the second process is a step of forcibly inserting the mini-disk (MD) from the outside, the recognition switch 12 detects the mini-disk (MD), and the crimping motor 22 in the disk pressing direction The driving step, the initial recognition switch 21 detects the sliding plate 15, and the pressing motor 22 stops the driving.

In the third process, the loading motor 5 drives in the disc loading direction, the loading completion switch 26 of the tray 1 detects the mini-disc MD, and the loading motor 5 drives. In the fifth process, the loading motor 5 drives the disk loading direction, and the seating completion switch 27 of the storage stage 3 detects the mini-disc MD. And the loading motor 5 stops driving.

In the sixth process, the pressing motor 22 drives the disk in the crimp releasing direction, the position sensor 20 detects the second sensing hole 19, and the pressing motor 22 is driven. It is made to stop.

In addition, the loading and unloading method of the mini-disc player, which loads the mini-disc MD into the storage stage 3 and moves to the initial position while waiting for the command, is a first process in which a movement command is input as shown in FIG. And a second process of moving the holder 10 to the tray 1, a third process of moving the holder 10 to an initial position, and a fourth process of moving the tray 1 to an eject position.

In this second process, the loading motor 5 drives in the disc unloading direction, the eject switch 14 detects the holder 10, and the loading motor 5 stops driving. In the third process, the pressing motor 22 drives in the disk pressing direction, the position sensor 20 detects the first sensing hole 18, and the pressing motor 22. Is made to stop driving.

In addition, the loading and unloading method of the mini disc player for seating the first mini disc in the storage stage and ejecting the second mini disc stored in the other storage stage while waiting for the command is inputted by the mini disc eject command as shown in FIG. 8. A first process, a second process of moving the tray 1 to a desired storage end 3, a third process of pressing the second minidisc MD by the holder 10, and a second minidisc ( A fourth process in which the MD is unloaded into the tray 1, a fifth process in which the tray 1 is moved to the eject position, a sixth process in which the second minidisc MD is unloaded to the outside, and a holder The method 10 includes a seventh process of moving to the initial position, and if the second mini-disc MD does not exist, displaying the absence of the mini-disc.

In this third process, the pressing motor 22 drives in the disk pressing direction, the initial recognition switch 21 detects the sliding plate 15, and the pressing motor 22 drives the driving. In the fourth process, the loading motor 5 drives the disk unloading direction, and the loading completion switch 26 of the tray 1 unloads the second mini-disc MD. And detecting the loading motor and stopping the driving of the loading motor 5.

The sixth process includes driving the loading motor 5 in the disc unloading direction, sensing the holder 10 by the eject switch 14, and stopping the driving of the loading motor 5. In the seventh process, the pressing motor 22 drives the disk in the crimp releasing direction, the position sensor 20 detects the first sensing hole 18, and the pressing motor 22 It stops driving.

In addition, in the sixth process if the second mini-disk (MD) is unloaded to the outside after the forcible withdrawal for a predetermined time includes an eighth process of loading the second mini-disk (MD) into the tray (1) As described above, the eighth process includes driving the loading motor 5 in the disk loading direction, sensing the loading completion switch 26 of the tray 1 to detect the second mini-disc MD, and loading motor. (5) is made to stop driving.

As another embodiment of the present invention, as shown in FIG. 3, the disc transfer unit rotates with the power of the loading motor unit, and the first gear 31 and the first gear 31 mounted at the rear of the storage end and the front of the tray as shown in FIG. 3. A second gear 32, a wire 33 that rotates between the first gear 31 and the second gear 32, and a holder 34 fixed to the wire 33 to fit into the loading groove of the mini-disc. It consists of).

The disk transfer unit configured as described above may friction between the first gear 31, the second gear 32, and the wire 33 when the power of the loading motor unit is transmitted to the first gear 31 and the second gear 32. Since this is minimized, the first gear 31 and the second gear 32 can be easily rotated.

As another embodiment according to the present invention, as shown in FIG. 4, the disk conveying unit is rotated by receiving the power of the loading motor unit, and the first sprocket mounted at the rear of the receiving end 3 and the front of the tray 2 as shown in FIG. To the belt 35 and the second sprocket 36, the timing belt 37 to be fitted to the first sprocket 35 and the second sprocket 36, and the timing belt 37 It is composed of a first holder 38 and the second holder 39 is fixed and fitted in the loading groove of the mini-disk (MD).

The disc transfer unit configured as described above requires the timing belt 37 to be rotated clockwise to load the mini disc MD from the outside into the tray 2 and the storage end 3. The first holder 38 is inserted into the housing end 3 via the tray 2 when the first mini-disk MD1 is inserted into the housing end 3 through the tray 2. The second holder 39 is located at the foremost rear of the tray 2.

In this state, in order to load the second minidisc MD2 from the outside into the tray 2, the timing belt 37 is driven clockwise so that the second holder 39 supports the second minidisc MD2. The timing belt 37 may be rotated counterclockwise to unload the first mini-disc MD1 from the storage end 3 to the tray 2. Is able to unload the first mini-disc MD1.

That is, when the two holders are fixed to the timing belt as described above, the driving time is shortened by eliminating the need to reversely rotate the timing belt for continuous mini disc loading.

As another embodiment according to the present invention, the loading and unloading device of the mini-disc player is mounted to the tray 2 and the first loading motor unit which is a power source as shown in FIG. And a first disc transfer unit for horizontally moving the mini disc MD back and forth between the outside and the tray 2 while holding the loading groove of the mini disc MD while driving the power of the first loading motor unit. (2) the second loading motor unit which is a power source and the second loading motor unit mounted on the tray (2) and driven by receiving power from the second loading motor unit and holding the loading groove of the mini disc (MD) while holding the mini disc ( And a second disc transfer section for horizontally moving the MD back and forth between the tray 2 and the storage end 3.

The first disk conveying unit rotates with the power of the first loading motor unit and is mounted on the front and rear of the tray 2, and the first sprocket 51 and the second sprocket 52, and the first A timing belt 53 which is engaged with the sprocket 51 and the second sprocket 52, and two holders 54 fixed to the timing belt 53 and fitted into the loading grooves of the mini disc MD. , 55).

In addition, the second disk transfer unit is rotated by receiving the power of the second loading motor unit, and the first sprocket 56 and the second sprocket (57) mounted on the front and rear of the receiving end (3), Two timing belts 58 engaged with the first sprocket 56 and the second sprocket 57, and two timing belts 58 fixed to the timing belt 58 and fitted into the loading grooves of the mini disc MD. It consists of the holders 59 and 60.

In the loading and unloading apparatus of the mini disc player configured as described above, when the mini disc MD is inserted from the outside, the first loading motor unit is driven so that the timing belt 53 of the first disc transfer unit rotates clockwise and the first disc is rotated. While the first holder 54 of the transfer unit holds the loading groove of the mini disc MD, the mini disc MD is seated on the tray 2, and the second holder 55 holds the mini disc MD. It is pushed toward the storage end (3).

At this time, the second loading motor unit is driven so that the timing belt 58 of the second disc transfer unit rotates clockwise so that the first holder 59 of the second disc transfer unit transfers the mini disc MD to the storage end 3. Fully seated.

To unload the mini disc MD into the tray 2, the timing holder 58 of the second disc transfer unit rotates counterclockwise, and the first holder 59 moves the mini disc MD into the tray 2. And the first holder 54 of the first disc transfer part seats on the tray 2 while holding the loading groove of the mini disc MD.

As described above, the present invention simplifies the construction, thereby reducing assembly process time and cost, and is configured while eliminating rollers, thereby enabling reliable loading and unloading, which shortens the driving time and extends the overall life of the product. It works.

Claims (30)

A loading motor unit mounted on a tray and a power source, and a disk conveying unit mounted on the tray and driven by receiving power from the loading motor unit, and horizontally moving the mini disc back and forth between the outside and the storage end while holding the loading groove of the mini disc. And a conveying unit crimping means configured to horizontally move the disk conveying unit horizontally to the left or right to compress or decompress the minidisc. The method of claim 1, The loading motor unit loading and unloading apparatus of the mini-disc player, characterized in that consisting of a loading motor as a power source and a spur gear pressed into the loading motor. The method of claim 1, The disk conveying unit is rotated by the power of the loading motor unit, and is mounted to the first sprocket and the second sprocket mounted on the rear of the receiving end and the front of the tray, and the first sprocket and the second sprocket. A timing belt to be engaged, a holder fixed to the timing belt and fitted into the loading groove of the mini-disc, and a loading plate to which the rotation shafts of the first and second sprockets are fixed and horizontally movable from side to side Device for loading and unloading a mini-disc player, characterized in that. The method of claim 3, The disc transfer unit loading and unloading apparatus of the mini disc player, characterized in that it comprises a recognition switch for detecting the position of the mini disc. The method of claim 3, The disc transfer unit loading and unloading apparatus of the mini-disc player, characterized in that it comprises a stopper for interlocking the mini-disc and the holder when the mini-disc reaches the position to be fitted to the holder. The method of claim 3, The disc transfer unit is a loading and unloading device of a mini disc player, characterized in that it comprises a eject switch fixed to the tray and the holder is located in the middle of the tray of the initial position. The method of claim 1, The conveying unit crimping means includes a crimping motor part as a power source, a sliding plate horizontally moved back and forth by receiving power from the crimping motor part, an oblique groove formed on the sliding plate, and fixed to a disk conveying part and inserted into the diagonal groove. Loading and unloading apparatus of the mini-disc player, characterized in that the sliding plate is moved horizontally forward and backward configured to drive the disk transfer unit horizontally moved to the left and right. The method of claim 7, wherein The crimping motor part includes a crimping motor, a worm gear press-fitted into the crimping motor, a medium gear which is a spur gear meshed with the worm gear, and a rack formed on the sliding plate and meshed with the medial gear. Device for loading and unloading minidisc players. The method of claim 7, wherein The conveying unit crimping means includes a plurality of sensing holes formed in the sliding plate, a position sensor for detecting the left and right positions of the disk conveying unit by detecting the sensing hole, and an initial recognition switch for detecting the initial position of the sliding plate. Device for loading and unloading a mini-disc player, characterized in that. The method of claim 1, The disk conveying unit rotates by receiving the power of the loading motor unit, the first gear and the second gear mounted to the rear of the receiving end and the front of the tray, a wire interposed between the first gear and the second gear, and the wire Device for loading and unloading a mini-disc player, characterized in that consisting of a holder fixed to the loading groove of the mini-disc. The method of claim 1, The disk conveying unit is rotated by the power of the loading motor unit, and is mounted to the first sprocket and the second sprocket mounted on the rear of the receiving end and the front of the tray, and the first sprocket and the second sprocket. And a timing belt to be engaged and a plurality of holders fixed to the timing belt and fitted into a loading groove of the mini-disc. A first loading motor unit mounted on a tray and a power source; a first loading motor unit mounted on the tray and driven by receiving power from the first loading motor unit, and horizontally moving the mini disc back and forth between the outside and the tray while holding a loading groove of the mini disc; A first disc transfer unit, a second loading motor unit mounted on a tray and a power source, a second disc mounting unit mounted on the tray, and driven by receiving power from the second loading motor unit, and holding a loading groove of the mini disc. And a second disc transfer unit configured to horizontally move back and forth between the storage end and the storage end. The method of claim 12, The first disc transfer unit rotates by receiving power from the first loading motor unit, and includes first and second sprockets mounted on the front and rear sides of the tray, and the first and second sprockets. And a timing belt engaged with the plurality of holders, and a plurality of holders fixed to the timing belts and fitted into the loading grooves of the mini-disc. The method of claim 12, The second disc transfer unit rotates by receiving power from the second loading motor unit, and includes a first sprocket and a second sprocket mounted on the front and rear sides of the storage end, and the first sprocket and the second sprocket. A device for loading and unloading a mini disc player, comprising: a timing belt engaged with a cat; and a plurality of holders fixed to the timing belt and fitted into a loading groove of the mini disc. A first process of inputting a command to store an externally inserted minidisk in a storage end, a second process of compressing a minidisk by a holder, a third process of loading the minidisk into a tray, and a storage of a tray A fourth process of moving to the position of the stage, a fifth process of loading the minidisc into the storage end, and a sixth process of releasing the minidisc from the holder; . The method of claim 15, The second process includes the step of forcibly inserting the mini disc from the outside, the step of detecting the mini disc by the recognition switch, the step of driving the motor in the crimping direction of the compression motor, the initial recognition switch to detect the sliding plate And a step of stopping the driving of the crimping motor. The method of claim 15, The third process includes the steps of driving the loading motor in the disc loading direction, detecting the mini-disc by the loading completion switch of the tray, and stopping the driving of the loading motor. , Unloading way. The method of claim 15, The fifth process includes driving the loading motor in the disc loading direction, sensing the mini-disc by the seat detecting switch of the storage end, and stopping the driving of the loading motor. Loading, unloading method. The method of claim 15, The sixth process may include a step of driving the disc motor in the disc squeezing direction, a position sensor detecting the second sensing hole, and the step of stopping the driving of the motor. How to load and unload players. A first process of inputting a command to move to the initial position while waiting for the command after loading the mini-disc into the storage stage, a second process of moving the holder to the tray, a third process of moving the holder to the initial position, and a tray And a fourth process of moving to the eject position of the mini-disc player. The method of claim 20, The second process includes the steps of driving the loading motor in the direction of the disk unloading, detecting the holder by the eject switch, and stopping the driving of the loading motor. Way. The method of claim 20, The third process includes driving the compaction motor in a disk compression direction, sensing the first sensing hole by a position sensor, and stopping the driving of the compaction motor. Loading, unloading method. The first process of seating the first mini-disc in the storage stage and a command for ejecting the second mini-disc stored in the other storage stage while the command is waiting, the second process of moving the tray to the desired storage stage, and the holder A third process of compressing the 2 minidisc, a fourth process of unloading the 2nd minidisc into the tray, a 5th process of moving the tray to the eject position, and a 6th of unloading the 2nd minidisc outward And a seventh process of moving the holder to the initial position. The method of claim 23, wherein And if the second mini-disc does not exist, displaying the absence of the mini-disc. The method of claim 23, wherein The third process includes the steps of driving the pressing motor in the disk pressing direction, the initial recognition switch detects the sliding plate, and the pressing motor stops the driving of the mini disc player, characterized in that consisting of , Unloading way. The method of claim 23, wherein The fourth process includes driving the loading motor in a disc unloading direction, sensing a loading completion switch of the tray on the second mini-disc, and stopping the driving of the loading motor. How to load and unload a minidisk player. The method of claim 23, wherein The sixth process includes the steps of driving the loading motor in the disc unloading direction, sensing the holder by the eject switch, and stopping the driving of the loading motor, wherein the loading and unloading of the mini disc player is performed. Way. The method of claim 23, wherein The seventh process includes the step of driving the crimping motor in the disk crimping release direction, the step of sensing the first sensing hole by the position sensor, and the step of stopping the driving of the crimping motor. Loading and unloading methods. The method of claim 23, wherein And an eighth process of loading the second mini-disc into a tray if the second mini-disc is not forcibly removed for a predetermined time after the second mini-disc is unloaded to the outside. The method of claim 29, The eighth process comprises the step of driving the loading motor in the disc loading direction, the loading completion switch of the tray detects the second mini-disc, and the loading motor stops driving the mini-disc player Loading and unloading methods.