JPH021729Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Field of Application The present invention relates to an automatic recording disk selection and playback device that selects and plays one recording disk from a storage section that stores a large number of recording disks.

BACKGROUND ART One of this type of devices is a record disc automatic selection and playback device, a so-called joke box. In conventional devices, a large number of record discs are stored side by side in a storage rack, facing each other, and the player body moves along the side of the storage rack to play a designated record disc. The arm member that holds the record stops at the opposite position, rotates, takes out the specified record, attaches it to the player, plays the record, and after playback is finished, the arm member rotates in the opposite direction. The record disc is rotated in the direction to remove the record from the player body and return it to its original position in the storage rack.

With this device, the records in the storage rack are lined up at relatively large pitch intervals, and played records can be reliably returned to the original storage section in the storage rack without any special mechanism. .

However, in order to reduce the size of the device, when the pitch of records in the storage rack is narrowed, when the played records are returned to the storage rack, they are not returned to the original storage section and are accidentally placed next to each other. There is a problem in that a malfunction may occur in which the product is returned to the storage section.

Means for Solving the Problems The purpose of the present invention is to provide a recording disk automatic selection and playback device that solves the above problems, and in which a plurality of recording disks are aligned in a vertical position with their faces facing each other. a recording disk storage mechanism section disposed in a substantially horizontal orientation to store the recording disks in a horizontal state; a reproducing mechanism section having a reproducing device for reproducing a disk; and a reproducing mechanism section that moves the reproducing mechanism section along the recording disk storage mechanism section and stops at a position facing a designated predetermined recording disk within the recording disk storage mechanism section. A movement-stop mechanism is provided in the playback mechanism, and operates when the playback mechanism stops moving, and upon playback, the predetermined recording disk in the recording disk storage mechanism is moved by the playback mechanism. an outer periphery of the recording disk so that the predetermined recording disk in the playback mechanism section is removed from the playback mechanism section and returned to its original position in the recording disk storage mechanism section after playback is completed; a recording disk transport mechanism that supports the lower side of the recording disk and transports the recording disk substantially vertically in a vertical position; and an entrance/exit for the recording disk to the playback mechanism, which transports the recording disk into the playback mechanism. When feeding the recording disc, the opening is sufficiently wider than the thickness of the recording disc, and when returning the recording disc to its original position in the recording disc storage mechanism, the opening is opened to an extent slightly larger than the thickness of the recording disc. The recording disc is supplied to the recording disk reproducing mechanism section through the wide opening mechanism, and the recording disk is ejected from the reproducing mechanism section while being guided by the narrow opening mechanism. This is a configuration that can be used.

Embodiment FIG. 1 shows a compact disk automatic selection and playback device 1 which is an embodiment of the recording disk automatic selection and playback device according to the present invention. Apparatus 1 is roughly frame 2
This is installed horizontally on the top of the disk, and multiple compact disks 3 (hereinafter referred to as disks)
The disc storage rack 4 is made up of a disc storage rack 4 for storing a disc storage rack 4, and a reproducing mechanism part 5 which has a built-in disc reproducing machine and is supported movably along the storage rack 4 at a position directly below the disc storage rack 4.

As shown in FIG. 2, the disk storage rack 4 has a generally rectangular frame shape, and both walls along the longitudinal direction are formed into a comb-teeth shape with a large number of partition wings 10 connected by side plates 11. Has a structure. A pair of adjacent partition wings 10 facing each other cooperate to form a flat disk storage section 12, and the storage rack 4
has a structure in which a large number, for example, 100 disk storage sections 12 are closely aligned in the longitudinal direction. .
The 100 disk storage units 12 are sequentially numbered. Also, one slit 13 is formed corresponding to each disk storage section 12. Furthermore,
1 disk stopper for each disk storage section 12
4 is provided. The disk stopper 14 is connected to the shaft 15
It is supported by and placed between adjacent partition wings 10, is also biased counterclockwise by a spring 16 and normally rotates in the same direction, and protrudes into the disk storage section 12. . Further, both the ceiling and the bottom of the storage rack 4 have openings 17 and 18.

The disk 3 is inserted into each storage section 12 through the upper opening 17 in a vertical state with the playback surface aligned in one direction. The inserted disk 3 has an outer peripheral edge 3a
The lateral parts A ₁ and A ₂ are locked by the side plates 11 to restrict rolling, and the lower part A ₃ is locked by the stopper 14 to restrict downward movement (fall). The discs are surely separated from the adjacent disks 3 on both sides by partition wings 10, and their inclinations are restricted so that they do not contact the adjacent disks on both sides, and are arranged in a vertical posture facing each other and stored in the storage rack 4. In other words, when each disk 3 is released from the stopper 14, it descends under its own weight, slips out of the storage section 12, passes through the bottom opening 18, and enters the storage rack 4 in a state where it can be removed from the storage rack 4. It is stored.

Here, since the arm 46, which will be described later, does not pass through the storage rack 4, it is not necessary to provide a gap large enough for the arm to pass between every other disk, and the disk 3 are arranged in small pitches. In this embodiment, the thickness of each partition blade 10 is about 1 mm, the pitch of the partition blades 10 is about 3 mm, and the disks 3 are tightly housed in a narrow pitch of about 3 mm. Therefore, even when storing as many as 100 disks 3, the length L of the storage rack 4 can be as short as about 30 cm, and the apparatus 1 is constructed in a small size.

The regeneration mechanism section 5 is supported by a pair of guide rods 20 and 21 which are horizontally suspended on the frame 2 on both sides, and when a pinion 23 rotated by a motor 22 rolls on a rack 24, the guide rods 20, 21 and moves in the directions of arrows X ₁ and X ₂ .

As shown in FIGS. 2 to 6, the playback mechanism section 5 includes a disk playback machine 25, a disk playback shift mechanism 26 that shifts the disk playback machine, and a rack 4 that simply supports the disc. A disk transport mechanism 27 that transports the disk to and from the playback mechanism section 5, a disk guide mechanism 28 that guides the disk discharged from the playback mechanism section, and an alignment mechanism that aligns the disk guide mechanism with a predetermined disk storage section 12 of the storage rack. 29, a disk clamping mechanism 30 that clamps the disk during playback, a disk separating mechanism 31 that separates the disks on both sides of the storage section to which the disk is returned when returning the disk to the storage rack, etc., each mechanism having a It is configured to operate in conjunction with the rotation of one cam gear 35 shown in FIGS. 7A to 7C. The cam gear 35 has a cam surface 35 shown in FIG.
It is supported by a shaft 37 at a substantially central position inside the outer panel 36 of the regeneration mechanism section 5, with A on the outside and the cam surface 35B shown in FIG.
It is rotated by a motor 38. FIG. 2 shows a mechanism operated by a cam on a cam surface 35A of the cam gear 35, and FIG. 3 shows a mechanism operated by a cam on a cam surface 35B as viewed from the direction of arrow C. 4 and 5 are views seen from the directions of arrows D and E, respectively. FIG. 6 is a diagram showing the configuration of the top side of the reproduction mechanism section.

In the playback mechanism section 5, a pair of guide panels 39 and 40 are arranged facing each other with a disk receiving/ejecting position P (shown at the bottom in FIGS. 4 and 5) in between. It enters the flat guide space 41 between the guide panels 39 and 40, rotates there, and is reproduced.

The disc playback device 25 has an arrow inside the playback mechanism section 5.
It is supported movably in the X ₁ and X ₂ directions, and in the initial state, as shown in Figures 4 and 5,
Moves in the X ₂ direction and is away from position P.

As shown in FIGS. 2 and 5, the disk player shift mechanism 26 has an upper portion pivotally supported by a part of the outer panel 36, and a lower end connected to a U-shaped support base 42 that supports the disk player 25. cam 35A- ₁ on the cam surface 35A side that acts on the shift arm 43 and the roller 44 in the middle of the shift arm 43.
Therefore, it operates after the disk 3 enters the playback mechanism section 5.

As shown in FIGS. 2 and 4, the disk transport mechanism 27 has a flat guide space 41 centered around a shaft 45.
a substantially arc-shaped disk transport arm 46 that rotates between the position shown by the solid line in FIG. 2 and the position shown by the two-dot chain line;
It has a rack 48 at one end that meshes with the pinion 47, and a boat-shaped cam follower 49 (Figs. 2 and 7C).
(shown in FIG. 1) and a lever 50 that moves in the directions of arrows _Y1 and _Y2 guided by a cam groove 35A- ₂ of a cam surface 35A. In the initial state, the lever 50 is moving in _{the two} directions of arrow Y, as shown in FIG.
Arm 46 is rotating counterclockwise. In addition,
A disk catcher 61 is attached to the tip of the arm 46 to support the outer peripheral edge 3a of the disk 3 while restricting free displacement of the disk 3 in the surface direction.

As shown in FIGS. 4 to 6, the disk guide mechanism 28 includes a pair of guide plates 51 and 52 arranged such that respective inclined guide portions 51a and 52a face each other.
It becomes more. The guide members 51 and 52 are urged toward each other by springs 53 and 54 on both sides, and the inclined guide portions 51a and 52a are butted against each other with alignment plates 55 and 56 sandwiched at both ends.
In this state, the inclined guide parts 51a and 52a have an inverted V-shape in side view and are in a state where they can guide the disk discharged from below to the upper side. An elongated opening 57 having a dimension slightly larger than the thickness is formed. . The first guide plate 51 is guided by the cam groove 35B- ₁ of the cam surface 35B and rotated as shown in _FIG . It can be displaced to When the guide plate 51 is displaced in this way, the levers 5 on both sides
A further guide plate 52 is displaced in the direction of arrow _X2 via 9, 60. That is, both guide plates 51 and 52 are displaced in the direction away from each other, the opening width is increased, and the disc is in a state where it can easily enter into the playback mechanism section 5. Further, both guide plates 51 and 52 are attached so that they can be displaced somewhat in plane without changing the opening width, and are displaced according to the positions of alignment plates 55 and 56, as will be described later.

The alignment mechanism 29 includes alignment plates 55 and 56 provided on both ends of the opening 57 so as to be displaceable in the directions of arrows _Z1 and _Z2 , and a cam groove 35A- ₃ of the cam surface 35A.
The rotating arms 62, 63 are guided by the rotating arms 62, 63, and the connecting arms 64, 65 connect the rotating arms 62, 63 to the alignment plates 55, 56. In the initial state, the alignment plates 55 and 56 are displaced in the _two directions of arrow Z and inserted into the regeneration mechanism section 5, and the cam gear 3
5 rotates, they simultaneously move in the direction of arrow _Z1 via the rotating arms 62, 63 and connecting arms 64, 65, protrude from the reproducing mechanism section 5, and enter the storage rack 4. Note that each alignment plate 55, 56 has a thickness slightly larger than the thickness of the disk 3, and this determines the width dimension of the opening 57 when guiding the disk.

The disk clamp mechanism 30 is shown in FIGS. 3 and 5.
As shown in the figure, a clamp arm 71 whose base side is supported by a shaft 70;
Disk clamper 7 on the tip side (shown in Figure 3)
2, and a cam groove 35B- ₂ of the cam surface 35B for rotating the clamp arm 71 and displacing the disk clamper 72 in the direction of arrow _X2 in FIG. 5 when the disk is clamped. In the initial state, the clamper 72 is in a non-clamping position displaced in the direction of arrow _X1 .

As shown in FIGS. 3 and 6, the disk separating mechanism 31 includes a disk separator 73 on the guide plate 51 and a protrusion 35B on the cam surface 35B.
- a rotating arm assembly 74 which is rotated by being kicked by ₃ and displaces the disk separator 73 in the direction of arrow _Y1 . Disk separator 73
When moving in the direction of arrow _Y1 , the beak-shaped part 73
a enters the vicinity of the lower edge of the adjacent disks 3, forcibly separates the adjacent disks 3, and forms a path for the disks to be returned to the storage rack 4. Note that the disk separator 73 can be displaced by being guided by long holes 75a and 75b of the holding plate 75, and is normally moved in the direction of arrow _Y2 by a spring 76. Further, the rotating arm assembly 74 rotates when the cam gear 35 rotates in the arrow _B1 direction.
- When kicked by ₃ , the arm assembly itself bends and does not rotate, and when kicked by protrusion 35B- ₃ while the cam gear 35 is rotating in the arrow _B direction, it rotates counterclockwise. It is structured as follows.

Next, regarding the operation of the apparatus 1 having the above configuration, FIGS. 8A to F, FIGS. 9A to E, and FIG. 10A
This will be explained with reference to E.

8A shows the disk transport arm 46, B shows the positioning plates 55, 56, C shows the disk guide plates 51, 52, D shows the disk regenerator 25, E shows the disk clamper 72, FIG. F shows the operating state of the disk separator 73 according to the rotation angle of the cam gear 35. Figures 9A to E and Figure 10A
8 to E show changes in the operating state of the device 1 in correspondence with FIG.

In the initial state, the device 1 is in the state shown in FIGS. 9A and 10A. That is, the disk 3 is locked to the moving disk stopper 14, the disk transport arm 46 is rotating counterclockwise, the positioning plates 55 and 56 are lowered, and the disk regenerator 25 and disk The clampers 72 are both separated from the position P, the disk guide plates 51 and 52 are separated from each other, and the opening 57 is in a half-open state.

The apparatus 1 starts operating by operating the operation panel to specify a disc to be played, and operates as described below.

When the operator specifies a predetermined address _N , motor 2
2 starts and the pinion 23 rolls on the rack 24, so that the regeneration mechanism section 5
0, 21 and moves in the direction of arrow _X1 or _X2 , and the slit detector 80 detects the slit
3 is detected, that is, the disk receiving position P of the playback mechanism section 5 is stopped at a position immediately below and opposite to the disk 3 _N in the disk storage section 12 _N at the designated address.

Next, the motor 38 is started and rotates forward, and the cam gear 35 is rotated approximately 280 degrees in the direction of arrow _B1 via the worm 81.
Rotate degrees. When the cam gear 35 rotates, the lever 50 moves in the direction of arrow _Y1 in FIG. 2, and the disk carrying arm 46 rotates clockwise to the position shown by the two-dot chain line in the same figure (see FIG. 8A). , the disk catcher 61 locks the lower end _A4 of the outer periphery 3a of the disk _3N in the storage section _12N of the rack 4 so that the disk _3N is moved as shown by the two-dot chain line (FIG. 9B).
(as shown by the solid line), lift it up a little so that it is above the disk stopper 14. Also, the rotating arms 62, 6
3 rotates counterclockwise and clockwise, respectively, and the alignment plates 55 and 56 move and rise in the direction of arrow _Z1 (see FIG. 8B), and the storage section _12N in the storage rack 4 is moved upward. In other words, it enters into the gap between adjacent partition wings 10 forming the storage section _12N . Further, the expansion lever 58 operates as shown in FIG. 4, and the guide plates 51 and 52 move away from each other, so that the opening 57 is fully opened. As a result, the device 1 is
The state shown in is reached.

When the cam gear 35 rotates further, the alignment plate 5
5 and 56 further enter into the storage section _12N , and the positioning plates 55 and 56 are regarded as members protruding directly below both ends of the storage section _12N . Therefore, in this state, each alignment plate 55, 56 moves the guide plates 51, 52 to the storage section _12N when returning the disk, which will be described later.
It can play a role in regulating the position so that it matches the . Further, the alignment plate 56 on one side pushes up the disk stopper 14 and rotates it clockwise. Since the disc 3 _N is floating above the disc stopper 14, the weight of the disc 3 _N does not act as a load when the disc stopper 14 rotates in the unlocking direction, and the disc retainer of the disc stopper 14 The release action is light and smooth. As a result, the apparatus 1 enters the state shown in FIG. 9C, that is, the disk 3 is released from the disk stopper 14 and is instead supported by the disk transport arm 46 (disk catcher 61).

When the cam gear 35 further rotates, the lever 50 moves in the direction of the arrow _Y2 and moves the disk transport arm 46.
starts rotating counterclockwise. In response to the counterclockwise direction of the arm 46, the disk 3 _N descends under its own weight while being supported by the disk catcher 61, and the
As shown in FIG. D and FIG. 10B, it exits from the storage section _12N and enters the flat guide space 41 in the reproduction mechanism section 5 from the lower edge side through the fully open opening 57. When the cam gear 32 rotates further, the arm 46 rotates to its original position, and the disc _3N moves to the ninth position.
As shown in FIG.
is supplied to After the disk 3 _N comes out of the storage rack 4, it is guided by both side ribs (not shown) on the guide panel 39 side and moves directly downward, and is further guided when being supplied to the playback mechanism section 5. The lower end of the disk is supported by a lower rib (not shown) of the panel 39, and is held within the playback mechanism section 5 (guide space 41) without rolling.

Here, since disk 3 _N moves by its own weight,
When transporting the disk _3N from the storage rack (storage section _12N ) into the playback mechanism section 5, the disk catcher 61 only needs to support the outer periphery 3a of the disk _3N , and the disk catcher 61 only needs to support the outer periphery 3a of the disk 3N. This eliminates the need for such a mechanism, and the structure of the disk transport mechanism 27 becomes simple. Furthermore, the disk _3N does not fall due to its own weight when the locking by the disk stopper 14 is released, but descends at an appropriate speed while being supported by the disk catcher 61, which protects the disk _3N . It is also preferable.

At the final stage of rotation of the cam gear 35, the disc regenerator shift mechanism 26 and the disc clamp mechanism 30 operate, and the disc regenerator 25 moves in the direction of the arrow.
The disk clamper 72 moves (forwards) in _{the X 1 direction} and the _arrow It is clamped as shown in Figure 10C.

Subsequently, the disc reproducing machine 25 operates, the disc 3 _N rotates at high speed within the reproducing mechanism section 5, and the disc 3 _N is reproduced.

When the playback of disk _3N is completed, the motor 38
starts up again and reverses, and the cam gear 35 moves to arrow B ₂
rotate in the direction.

When the cam gear 35 rotates in the opposite direction, the disk transport mechanism 2
7. The alignment mechanism 29, the disk player shift mechanism 26, and the disk clamp mechanism 30 simply operate in the opposite direction to that in the disk loading mode. Further, the disk guiding mechanism 28 operates so as to be able to guide the disk as shown in FIG.
It operates as shown in Figure F.

At the beginning of rotation of the cam gear 35, the disk regenerator 2
5 and the disk clamper 72 move away from each other, and the disk _3N is unclamped from the disk player 25 (see FIG. 10D).
Next, the arm 46 rotates clockwise, and the disk catcher 61 locks the outer peripheral edge 3a of the disk _3N to push up the disk _3N , and as shown in FIG. 9D, the disk regenerator 25 of the disk _3N Exhaust begins.

At the initial stage of ejecting the disk _3N , the disk guide mechanism 28 operates as shown in FIG. 8C, and the guide plates 51, 52 operate as shown in FIGS. 4, 6, and 10D.
As shown in FIG.
Hold 6. As a result, the disk guide mechanism 2
8, the inclined guide parts 51a and 52a are connected to the regeneration mechanism part 5.
In a state where it is possible to guide the disk 3 _N that is being ejected further,
In addition, the opening 57 is formed into an elongated opening with a width slightly larger than the thickness of the disk 3, and is positioned exactly below the disk storage portion _12N .

In addition, the rotating arm assembly 74 in FIG.
The disk separator 73 is kicked by B- ₃ and rotated counterclockwise, and the disk separator 73 is slightly displaced in the direction of arrow _X2 and moved in the direction of arrow _Y2 to the position shown by the two-dot chain line. The disk separator 73 is then immediately returned to its original position by the spring 76 (see FIG. 8F). As shown in FIG. 10D, the beak-shaped portion 73a of the disk separator 73 is inserted between the disks _3N + ₁ and _3N - ₁ on both sides of the disk _3N at a position directly above the opening 57. enter in. Therefore, disks 3 _N + ₁ and 3 _N
− ₁ are slightly inclined and their bottom edges are close to each other, narrowing the gap between the disks.
A gap is secured between the disks 3 _N + ₁ and 3 _N - ₁ , that is, a gap large enough for the disk 3 _N to enter the entrance of the disk storage section 12.

As a result, the lower outer peripheral edge 3a is simply locked by the disk catcher 61, and the arrow
As shown in FIG. 10D, the disk 3 _N moving in the _Z1 direction has its upper end connected to inclined guide portions 51a and 52a.
is guided toward the opening 57 and exits from the reproduction mechanism section 5 through the narrow opening 57. disk 3
_N escapes out of the reproduction mechanism section 5 while being guided by the opening 57, and the upper end moves toward the middle between the disks 3 _N + ₁ and 3 _N - ₁ . Here, disk 3
Since a predetermined gap is formed between _N + ₁ and 3 _N - ₁ by the action of the beak-shaped portion 73a, the disc 3 _N can avoid colliding with the disc 3 _N + ₁ or 3 _N - ₁ .
As shown in Figure 10E, disks 3 _N + ₁ and 3 _N - ₁
It enters smoothly between the two and starts entering into the disk storage section _12N .

When the arm 46 rotates clockwise to the maximum, the disk _3N is completely ejected from the reproduction mechanism section 5 and returned to the original storage section _12N , as shown in FIGS. 9C and 9B. The operation of returning this disk to the original storage section _12N is also performed by the disk catcher 61 simply locking the outer peripheral edge 3a of the disk _3N and pushing it up. This is easier than when holding a . When the disk _3N is stored in the storage portion _12N , the alignment plates 55 and 56 are lowered, the disk stopper 14 is returned to its operating state, and the apparatus 1 is placed in the state shown in FIG. 9B.

When the cam gear 35 rotates further, the arm 46 starts rotating counterclockwise. Cam gear 3
5, the protrusion 35B- ₃ rotates to the original position detected by the microswitch 82 and stops, as shown in FIG. In this state, as shown in FIGS. 9A and 10A, the device 1 is in the initial state in which the disk _3N is locked by the disk stopper 14 and stored and held in the original storage portion _12N . Return.

By repeating the above operations, the designated disks in the storage rack 4 are returned to the original storage section of the storage rack after being played, and are sequentially selected and played.

Further, the disk 3 is not limited to a compact disk, but may also be applied to, for example, an optical video disk.

Next, the disk guide mechanism 28 which forms the main part of the present invention
etc., will be explained with reference to FIG. 11 and subsequent figures.

First, in the cam gear 35 shown in FIGS. 7A and 7B, the cam groove 3 that operates the disk guide mechanism 28 is
5B- ₁ consists of an inner cam groove 35B- _1a and an outer cam groove 35B- _1b . Point a over approximately 280 degrees
A cam line diagram regarding the depths of the cam grooves 35B- _1a and 35B- _1b between e and 35B-1b is as shown in FIG. In the figure, the solid line 90 indicates the inner cam groove 35B.
_-1a is the cam diagram, and the broken line 91 is the cam diagram of the outer peripheral side cam groove 35B- _1b . In this cam diagram, a shallow portion acts to open the disk guide mechanism 28, and a deep portion acts to close the disk guide mechanism 28. Further, in FIGS. 7A and 11, symbols a to j indicate the respective positions of the cam groove 35B- ₁ and the corresponding positions on the cam diagram.

As shown in FIGS. 3, 4, and 12, the expansion lever 58 is supported by fitting a fixed shaft 92 into a long hole 58b, and is biased in the direction of arrow _Z2 by a spring 93. ing. The expansion lever 58 has a pair of arm portions 58a at its upper portion, and a cam follower pin 94 which protrudes laterally at its lower portion. The arm portion 58a is fitted into the slit 51b of the guide plate 51, and the cam follower pin 94 is fitted into the cam groove 35B- ₁ .

As shown in FIGS. 6 and 13, the guide plate 51
has protrusions 51c and 51d on the left and right sides, and the guide plate 5
2 has protrusions 52b and 52c on the left and right sides. The levers 59 and 60 are pivoted at their central portions by pins 95 and 96, respectively, and the arm portions on both sides of the lever 59 are opposed to the protrusions 51c and 52b, respectively.
Regarding the lever 60, the arms on both sides have protrusions 51, respectively.
d, facing 52c. As a result, when one guide plate 51 is displaced in the arrow X ₁ and X ₂ directions,
The other guide plate 5 via the left and right levers 59, 60
2 is displaced in the directions of arrows X ₂ and X ₁ , that is, symmetrically with respect to the guide plate 51. The pins 95 and 96 are fixed on brackets 97 and 98 whose positions are adjustable, respectively, and each bracket 97 and 98 is attached to the panel with the center of rotation of each lever 59 and 60 adjusted. It is screwed onto the 99. Both the brackets 97, 98 and the screws for fixing them are arranged on the upper surface side of the panel 99, and this adjustment work is easy. Further, the levers 59, 60 and the springs 53, 54 are arranged at positions left and right away from the opening 57 so as not to interfere with the movement of the disk.

Next, to explain the operation of the above configuration, in the process of feeding the disks in the storage rack 4 into the regeneration mechanism section 5 (the process in which the cam gear 35 rotates in the direction of arrow _B1 ), the pin 94 is connected to the inner peripheral side cam. Groove 35B- ₁ a
relatively guided by a → b → c in Figure 7 A
→ Move to d, drop down at point d, and move to outer cam groove 3.
5B- ₁ Move to b and move to point e. FIG. 12 shows a state in which the pin 31 is guided at a point c in the inner cam groove 35B- _1a . The expansion lever 58 is rotated counterclockwise in the lowered position, and the guide plate 51 is displaced in the direction of the arrow _X1 and is separated by a distance _l1 from the center line CL of the disk storage portion _12N .
The guide plate 52 is pushed by the levers 59, 60 on the left and right protrusions 52b, 52c at the same time, and the springs 53,
54 and smoothly displaced in the direction of arrow X ₂ ,
The distance is l ₁ from the center line CL. As a result, the inclined guide portions 51a, 5 of the guide plates 51, 52
The upper edges 51a- ₁ and 52a- ₂ of the disc 2a (which face each other and form the edge of the opening 57) are equal to the sum of the dimensions _l1 and _l1 and are 5 to 6 times the thickness of the disk 3.
They are spaced apart by W ₁ , and the opening 57 is in a substantially fully open state with a width dimension of W ₁ .

As a result, the disk 3 is moved to the guide plates 51 and 52.
It is supplied into the reproduction mechanism section 5 through the opening 57 without colliding with the other components.

Note that during the above operation, the alignment plates 55 and 56 move upward and enter the storage section _12N .

In the step of ejecting the disk 3 in the regeneration mechanism section 5 from the regeneration mechanism section 5 and returning it to the original storage section _12N of the storage rack 4 (the step in which the cam gear 35 rotates in the _two directions of arrow B), the pin 94 As shown in FIG. 7A, it is relatively guided by the outer cam groove 35B- _1b and moves in the order of e→f→g→h→i→j, and drops down at point j and returns to the inner cam groove 35B. _-1a , and move along the inner cam groove 35B- _1a to the original point a.

When the pin 94 is guided by the outer cam groove 35B- _1b , the expansion lever 58 moves upward in the direction of arrow _Z1 against the spring 93, and the arm portion 58a moves into the slit 51b.
stand out more. When the pin 94 is guided beyond point f, it gradually enters the deep part of the cam groove 35B- _1b , and the expansion lever 58 is rotated clockwise by the spring 93. In response to the rotation of the expansion lever 58 at this time, the guide plate 51 is displaced in the direction of arrow _X2 , that is, in the direction approaching the center line CL. In relation to the above displacement of the guide plate 51, the lever 59 rotates clockwise, the lever 60 rotates counterclockwise, and the guide plate 52 rotates in the direction of the arrow.
Displaced in the X ₁ direction.

When the pin 94 is guided in the deep groove between points g and h, the expansion lever 58 is rotated to the vertical position in the upward movement position as shown in FIG. 14, and the guide plates 51, 52 6, the upper edges 51a- ₁ and 52a- ₂ collide with and sandwich the alignment plates 55 and 56, and the opening 57 is aligned with the alignment plates 55 and 56. It becomes an opening with a narrow width (width dimension W ₂ ) equal to the thickness of the plates 55 and 56,
It is formed right below the storage section _12N .

As a result, the upper edge side of the disk _3N ejected from the reproducing mechanism section 5 is formed by an inclined guide section 5 having an inverted V shape.
1a, 52a, and is guided by the upper edges 51a- ₁ , 52a- ₂ , and comes out of the opening 57 (that is, comes out of the reproduction mechanism part 5 at a position directly below the storage part _12N ), Facing toward the storage section _12N , start entering into the disk storage section _12N securely from below.

After the upper part of the disk 3 _N enters into the disk storage part 12 _N , guidance by the upper edges 51a- ₁ and 52a- ₂ is not necessarily necessary, but rather the upper edge 5
Since the opposing surfaces of 1a- ₁ and 52a- ₂ will rub the signal recording surface of the disk _3N to be returned, which is undesirable, after approximately the upper half of the disk _3N has entered the disk storage section _12N , The opening 57 is opened.

That is, when the pin 94 passes the point i, the expansion lever 58 rotates counterclockwise at the upward movement position as shown in FIG. 15, and the guide plate 51 is displaced in the direction of arrow _X1 . When the guide plate 51 is displaced as described above, the lever 59 is rotated counterclockwise and the lever 60 is rotated clockwise, and the guide plate 52 is pushed by the left and right protrusions 52b and 52c by the levers 59 and 60, so that the guide plate 52 springs. 5
3, 54 and is displaced in the direction of arrow _X2 . Here, the guide plate 52 is pushed at the left and right sides at the same time, so it is smoothly displaced without getting caught. By displacing the guide plates 51 and 52 as described above, the opening 57 is fully opened as shown in FIG. 15, and subsequent disk return operations can be performed without any risk of damaging the disk recording surface.

Effects As mentioned above, the recording disk automatic selection and playback device of the present invention has the following features.

The recording disk returned from the playback mechanism to the recording disk storage mechanism is guided by a narrow opening mechanism, that is, ejected from the playback mechanism with a fixed ejection position. To surely return a recording disc to a predetermined storage part of a recording disc storage mechanism part without error even when the recording disc storage parts are arranged at a narrow pitch.

Since the recording discs fed from the recording disc storage mechanism section to the playback mechanism section pass through the wide opening mechanism, they can be reliably and stably fed into the playback mechanism section without causing problems such as colliding with the opening mechanism. Ru.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of an embodiment of the recording disk automatic selection and playback device according to the present invention, and FIGS. 2 and 3 show the configuration of a disk storage rack and a playback mechanism, respectively, in the direction of arrow C in FIG. (Regarding the regeneration mechanism part, Fig. 2 shows the mechanism operated by one cam surface of the cam gear, and Fig. 3 shows the mechanism operated by the other cam surface of the cam gear), Fig. 4 5 and 5 are views mainly showing the configuration of the regeneration mechanism section as viewed from the directions of arrows D and E in FIG. 1, respectively. FIG. 6 is a view of the regeneration mechanism section viewed from above. Figure 7B shows the shape of the cam grooves on each side of
is a cross-sectional view taken along line B-B in Figures A and C, No. 8
Figure A is a disk transport arm, Figure B is a positioning plate, Figure C is a guide plate, Figure D is a disk regenerator,
Figure E shows the disk clamper, Figure F shows the operation of the disk separator in response to the rotation angle of the cam gear, and Figures 9 A to E and Figures 10 A to E show the operation of the disk separator in response to the rotation angle of the cam gear. Fig. 11 is a cam line diagram of the cam groove that operates the disk guide mechanism, and Figs. 12 and 13 are respectively FIGS. 14 and 15 are a view and a plan view as seen from the direction of arrow E in FIG. FIG. 2 is a view seen from the direction of arrow E in FIG. 1, schematically showing the state of the disk guide mechanism in the first half and the second half of the process of returning the recording disk from the playback mechanism section to the storage rack. 1... Compact disk automatic selection and playback device,
2...Frame, 3...Compact disk, 3
a...Outer edge, 4...Disk storage rack, 5...
... Reproduction mechanism section, 10 ... Partition blade, 11 ... Side wall, 12 ... Disk storage section, 13 ... Slit, 14 ... Disk stopper, 17, 18 ...
Opening, 20, 21...Guide rod, 22...Motor, 23...Pinion, 24...Rack, 25
... Disc regenerator, 26... Disk regenerator shift mechanism, 27... Disc transport mechanism, 28...
Disk guide mechanism, 29... Positioning mechanism, 30
... Disc clamp mechanism, 31 ... Disc separating mechanism, 35 ... Cam gear, 35
A, 35B...Cam surface, 35A- ₁ ...Cam, 3
5A- ₂ , 35A- ₃ , 35B- ₁ , 35B- ₂ ...
Cam groove, 35B- ₃ ...Protrusion, 38...Motor,
39, 40...Guidance panel, 41...Flat guide space, 42...Support base, 43...Shift arm, 46...Disk transport arm, 47...Pinion, 48...Rack, 49...Cam follower,
51, 52... Guide plate, 51a, 52a... Inclined guide portion, 51a- ₁ , 52a- ₂ ... Upper edge, 5
5, 56... Alignment plate, 57... Opening, 58...
...Expansion lever, 61...Disc catch, 72
... Disk clamper, 73 ... Disk separator, 73a ... Beak, 74 ... Rotating arm assembly, 80 ... Slit detector, 81 ... Worm, 90 ... Solid line, 91 ... Broken line, 92...Fixed shaft, 93...Spring, 94...Cam follower pin,
95, 96... pin, 97, 98... bracket, 99... panel.

Claims (1)

[Scope of utility model registration request] A recording disk storage mechanism section arranged in a substantially horizontal direction stores a plurality of recording disks in a vertical alignment with each recording disk facing each other; a reproducing mechanism section disposed at a location where the recording disk is supplied and having a reproducing machine for reproducing the supplied recording disk; and a reproducing mechanism section that moves the reproducing mechanism section along the recording disk storage mechanism section; A movement-stop mechanism is provided in the playback mechanism section to stop the movement at a position facing a designated predetermined recording disk in the unit, and operates when the playback mechanism section stops moving. The predetermined recording disc in the recording disc storage mechanism section is supplied into the playback mechanism section, and after the playback is completed, the predetermined recording disc in the playback mechanism section is removed from the playback mechanism section and the recording disk storage mechanism section is removed. a recording disk transport mechanism for transporting the recording disk substantially vertically in a vertical position while supporting the lower side of the outer periphery of the recording disk so as to return the recording disk to its original position; It is an entrance/exit for the recording disc, and when the recording disc is fed into the playback mechanism, the opening is sufficiently wider than the thickness of the recording disc, and when the recording disc is returned to its original position in the recording disc storage mechanism. has an aperture mechanism whose width is narrowed to an extent slightly larger than the thickness of the recording disk, and the recording disk is supplied to the playback mechanism through the wide aperture mechanism, and the narrowed aperture mechanism An automatic recording disk selection and playback device configured to eject the recording disk from the playback mechanism while being guided by an opening mechanism.