JPH0445906B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a method for pulling out a disk storage case stored in a multi-tiered manner in a disk storage portion from the disk storage portion and storing the disk storage case in the disk storage case. The present invention relates to a disc changing device that allows a held disc to be attached to a player section.

[Background technology and its problems]

2. Description of the Related Art Conventionally, an automatic disk playing device has been used which selectively takes out and plays a large number of disks, such as record disks, stored in a disk storage section. In this type of automatic performance device, each of the discs to be played is stored and held in a disc storage case, and the disc storage cases are stored and mounted in multi-stages in a disc storage section formed in the shape of a housing so that they can be taken out freely. A disc exchange device has been proposed in which the disc storage case is selectively pulled out by a predetermined disc pull-out mechanism, and then placed on the disc table of the player section by a disc transport mechanism.

In this type of automatic performance device, it is desirable to store a larger number of discs in the disc storage section in advance so that a wide variety of discs can be played. Furthermore, it is desired that the installation space be reduced, that is, the device itself may be made smaller so that it can be freely installed in a desired location.

[Purpose of the invention]

Therefore, the present invention has been proposed for the purpose of providing a disk changing device that can achieve miniaturization of an automatic performance device, and the present invention minimizes the movement range of the disk drawer mechanism that constitutes the disk changing device. It is an object of the present invention to provide a disk pull-out mechanism that allows disks to be selectively pulled out from disk storage sections installed on both sides of the disk pull-out mechanism.

Another object of the present invention is to provide a disk exchange device that can control the movement of the disk pull-out mechanism with a small number of detection means.

[Means to achieve the purpose]

In order to achieve the above-mentioned object, the disk exchange device according to the present invention stores a disk in a disk storage recess formed on one main surface, and a disk storage case is provided with engagement recesses on both sides. A pair of disk storage sections arranged opposite to each other and the disk storage case placed in each of these disk storage sections are pulled out and moved between the disk storage sections. a disk pull-out mechanism that can take a second position; a disk lift mechanism that lifts and lowers the disk pull-out mechanism; and a pair of hook members that engage with the engagement recesses of the disk storage case that is operated to move, and when the disk pull-out mechanism moves to the first position, one pair of hook members closes one of the disks. At the same time, the hook members of the other pair engage with the engagement recesses to pull out the disk storage case from the other disk storage section, and the disk storage case is placed in the storage section. The center hole of the disk in the disk storage case that is pulled out from the other disk storage section is located at the center between the pair of disk storage sections, and when the disk pull-out mechanism moves to the second position, the other pair of hooks The member is in a state facing the engagement recess of the disk storage case stored in the other disk storage section, and
One pair of hook members engages with the engagement recess to pull out the disk storage case from one of the disk storage sections, and the center hole of the disk of the disk storage case that is pulled out from the one disk storage section is A hook member located at the center between the disk storage sections and forming one of the pair of hook members is stored and placed in one of the pair of disk storage sections by the electromagnetic means. When the center hole of the disk stored in the disk storage case that is engaged with the engagement recess of the disk storage case and pulled out is located at the center between the pair of disk storage sections, the disk lifting mechanism is moved up and down. This is what I did.

〔Example〕

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

To explain an embodiment in which the disc changing device according to the present invention is applied to an automatic performance device incorporating an optical disc player, this automatic performance device has a large number of discs as shown in FIGS. A pair of disk storage sections 31, 31 for storing and placing disk storage cases 1 in multi-tiered form, and a disk drawer mechanism for selectively pulling out and operating the disk storage cases 1 stored and placed in these disk storage sections 31, 31. 32, a disk transport mechanism 33 that transports the disc storage case 1 pulled out by the disc pull-out mechanism 32 to a predetermined performance position together with the disc pull-out mechanism 32, and a disc storage case 1 transported by the disc transport mechanism 33. and a player section 34 for playing the optical disc 3 stored and held therein.

Incidentally, in this automatic performance apparatus, a disc storage case 1 that stores and holds an optical disc 3 to be played is constructed as shown in FIGS. 4, 5, and 6. That is, this disk storage case 1 has a flat, rectangular disk storage case main body 2, and on the top surface of this storage case main body 2 is an optical disk 3 on which predetermined information such as a musical tone signal is recorded. An arc-shaped disk storage recess 4 is provided corresponding to the external shape of the optical disk 3 to be stored and held. This disk storage recess 4 is designed to have a depth that is at least deeper than the thickness of the optical disk 3 so that the optical disk 3 does not protrude from the upper surface of the storage case body 2 when the optical disk 3 is stored and mounted. is formed. In addition, a ring-shaped disk mounting step 5 is formed on the outer periphery of the disk storage recess 4, as shown in FIG. 6, and is one step higher than the bottom surface.
The optical disk 3 is stored and placed with its outer peripheral edge where no information signal is recorded being supported. Therefore, the optical disk 3 is accommodated and placed in the disk storage recess 4 without bringing the signal recording surface into contact with the bottom surface.
Further, when the optical disc 3 that has been stored and placed in the disc storage case 1 and transported to the player section together with the disc storage case 1 is mounted on the disc table, it extends from the center to the side of the storage case body 2. This disk table protrudes and is moved on the lower surface side of the optical disk 3 over the inner and outer peripheries of the optical disk 3 so as to read and operate information signals recorded on the optical disk 3 during performance. An elongated hole 6 is bored through which the objective lens side of the optical pickup device faces. As described above, this elongated hole 6 is into which the disk table enters and the objective lens side of the optical pickup device faces, so it has a diameter R larger than the diameter of the disk table on which the optical disk 3 is mounted. It is formed to have a length L that spans at least the movement range of the objective lens of the device.

In addition, on both sides of the front side of the storage case main body 2, there is a disk storage which will be described later, which is formed in a substantially V-shape with a width narrow on the inner side and gradually expanding outward. Engagement recesses 7, 7 are provided in which a hook member that holds the case 1 engages. In the vicinity of these engaging recesses 7, 7, lock arms 8, 8 are attached, respectively, for engaging and holding the disk storage case 1 in the disk storage portion when the disk storage case 1 is stored and held in the disk storage portion. This lock arm 8 has a lock pawl 10, which is a first protrusion, on the distal end side of an arm portion 9 formed in a substantially dogleg shape.
A pressing operation part 1 is provided, and a tip which is a second protrusion is formed in a semicircular shape on the side edge of the middle part of the arm part 9.
1 is provided. And the above lock arm 8
The tip of the lock claw 10 is projected outward from the side of the storage case body 2, and the pressing operation part 11 is inserted into the engagement recess 7.
It is rotatably mounted on a support shaft 13 planted at the front corner of the storage case body 2 through a protrusion 12 that protrudes from the base end side of the arm portion 9. At the same time, one end of the spring 17 is locked to the storage case body 2 by locking one end to a locking piece 16 that is bent to protrude from the other proximal side of the arm portion 9 and face into the notch hole 15. By locking the other end, the lock pawl 10 is rotated in the direction of arrow A in the center of FIG. 4 so as to be biased outward from the side of the storage case main body 2. In addition, a guide pin 1 installed in the storage case body 2 is located in the middle of the arm portion 9 of the lock arm 8.
A long hole 20 having a curved surface 19 corresponding to the rotation locus of the lock arm 8 with which the lock arm 8 is engaged is bored,
During the rotation operation, the curved surface 19 is guided by the guide pin 18, so that the relatively long lock arm 8 can be rotated without swinging. Furthermore, storage case body 2
The part on which the lock arm 8 is attached and rotates is formed into a notched stepped portion 21, and the lock arm 8 is disposed and attached within this notched stepped portion 21 so that it does not protrude from the top surface of the storage case main body 2. being done. Furthermore, the spring 17
The cylindrical spring 17 is formed by bending the locking piece 16 to be locked so that it is located inside the notch hole 15.
It can be installed without protruding from the upper and lower surfaces of the storage case 2. As described above, the disk storage case 1 according to the present invention achieves a thin design by housing the rotating lock arm 8 and the spring 17 that biases the lock arm to rotate within the wall thickness of the storage case main body 2. This has been achieved to enable high-density storage and smooth drawer and storage operations.

In addition, the engagement recess 7 provided in the storage case body 2,
At the inward open end of 7, there are locking protrusions 21, 21 that are locked to the open end surface of the disk storage section and restrict the storage position when the disk storage case 1 is stored and placed in the disk storage section. It is perforated. Further, support shafts 13 and 1 for pivotally supporting the lock arms 8 and 8 are also provided.
3 is also formed to protrude laterally from both sides of the storage case body 2, and by forming the width of the front side larger than the width of the rear side, which is the insertion side into the disk storage area, the disk storage area It is formed in a shape that can prevent reverse insertion.

Furthermore, on the lower surface of the storage case main body 2, at a position corresponding to the disk storage recess 4, when a large number of disk storage cases 1 each containing an optical disk 3 are stored and placed in a multi-tiered manner in the disk storage portion,
A plurality of protrusions 22 as shown in FIG. 4 are provided to support the optical disks 3 housed in the disk storage case 1 and prevent them from falling off. . Therefore,
On the upper surface of the disk storage case body 2, there is a groove 23 for escape of the protrusion 22 when selectively pulling out the disk storage case 1 stored in multiple stages.
is perforated from the front side to the rear side.

Furthermore, on both sides of the lower surface of the disk storage case main body 2, a pair of guide grooves 24, 24 with an L-shaped cross section are provided on the front side, which engage with guide rails that guide the direction of the drawer when the disk is pulled out from the disk storage section. It is formed from the front to the rear side.

A pair of disk storage sections 31, 31, in which the disk storage case 1 constituting the automatic performance device is housed in a multi-tiered manner, has an insertion/ejection opening for the disk storage case 2 on both sides of a base 35 constituting the main body of the device. They are arranged so that the 36 sides face each other and are planted. The disk storage section 31 is formed into a box shape with the spacing between the insertion/removal openings 36 corresponding to the width of the disk storage case 1 stored here. As shown in FIG. 7, the guide grooves 24, 24 provided on both sides of the disk storage case main body 2 are engaged, and the mounting pieces 38 on which the disk storage case 1 is placed are facing each other so that at least the disk can be stored. It is formed continuously in the height direction in a multi-stage manner with intervals to ensure storage space for the case 1. In the disk storage section 31 in this embodiment, 60 pairs of mounting pieces 38, 38 are provided in the height direction, and 60 steps are provided in the height direction.
The disk storage case 1 is configured to accommodate and place two disk storage cases 1. Further, on the side of the insertion/removal port 36, a reinforcing connecting piece 38a is provided for connecting the placing pieces 38, 38 on both sides every 10 stages of the placing piece 38.

The distance between the mounting pieces 38 in the height direction may be sufficient as long as it is sufficient to accommodate the disk storage case 1, but in order to increase the storage density of the disk storage case 1, it is preferable to When the disk storage cases 1 are stored and placed, the protrusion 22 provided on the lower surface of the upper side of the disk storage cases 1 placed on top of each other will slightly fall into the disk storage recess 4 of the lower side. In order to smoothly insert and remove the disk storage case 1 that protrudes and is stored and placed on the placement piece 38, a slight space is ensured between the placement piece 38 and the top surface of the disk storage case 1. It is formed in a multi-stage shape with the desired spacing.

Further, both side walls 37 of the disk storage section 31,
At the position corresponding to between the mounting pieces 38 and 38 of 37,
As shown in FIG. 8, an engagement hole 39 is formed in which the lock pawl 10 at the tip of the lock arm 8 provided in the disk storage case 1 engages, and at least one side wall 37 is formed.
Detection protrusions 40 of the disk storage case 1 placed in the disk storage portion 31 are provided on the outer surface of the disk storage case 1 in parallel with the engagement holes 39 .

And disk storage case 1 according to the present invention
When inserted from the rear end side into the disk storage part 31 through the insertion/ejection opening 36 by engaging the mounting pieces 38 of the guide grooves 24, 24 on both sides, the front end is locked by the springs 17, 17. The claws 10, 10 are pressed by both side walls 37, 37 of the disk storage section 31, and the lock arms 8, 8 are rotated against the biasing force of the springs 17, 17, so that they are pulled into the storage case body 2. . And locking pieces 21, 21 provided on the front side of the storage case body 2.
When inserted until it comes into contact with the side end surface of the insertion/ejection port 36 of the disk storage section 31, the lock claws 10, 10 at the tips of the lock arms 8, 8 will face the engagement holes 39, 39 formed in the side walls 37, 37. , as shown in FIG.
10 engages with the engagement holes 39, 39. Therefore, the disk storage case 1 according to the present invention can be stored and placed by engaging the lock claws 10, 10 at the ends of the lock arms 8, 8 with the engagement holes 39, 39 of the disk storage section 31. 31 and can be reliably stored.

Further, the disk storage case 1 according to the present invention includes:
As described above, the lock claws 10, 10 are inserted into the engagement holes 39, 3.
When the lock arms 8, 8 are engaged with the lock arms 9 and placed in the disk storage portion 31, the pressing operation portions 11, 11 of the lock arms 8, 8, which protrude into the engagement recesses 7, 7 on both sides, move the disk together with the engagement recesses 7, 7. It is located outside the storage section 31. Therefore, the pressing operation section 11,
11 is pressed appropriately, the lock arms 8, 8 are rotated against the biasing force of the springs 17, 17,
The engagement of the locking claws 10, 10 at the tips with respect to the engagement holes 39, 39 can be released. Therefore, the pressing operation section 1
1 and 11 to rotate the lock arms 8 and 8 to release the engagement of the lock claws 10 and 10 with the engagement holes 39 and 39, the disk storage case 1 is pulled out from the disk storage section 31. can be done.

By the way, an automatic performance device in which a pair of disk storage sections 31, 31 are arranged in a multi-tiered manner in the disk storage case 1 configured as described above is arranged such that the disk storage case 1 is arranged in a central position between the disk storage sections 31, 31. A spindle shaft 42 to which a disk table 41 is integrally attached is aligned so that a player section 34 equipped with an optical pickup device 43 is placed on a base 35, and the disk storage sections 31, 3
1 is provided with storage case holding means for holding the disk storage case 1 stored and mounted on the storage case holding means, and the disk storage case 1 held by the storage case holding means is pulled out from the disk storage parts 31, 31. A disk pull-out mechanism 32 serving as a pull-out means is inserted into the pair of disk storage sections 3.
The transport mechanism 33, which is slidably supported between the disk storage sections 31 and 31,
It is installed so that it can be raised and lowered freely.

The transport mechanism 33 has a transport body 44 formed in a substantially frame shape with an opening in the center. This carrier 44 has a support block 46 with a through hole 45 drilled in the axial direction on one side of the back side, and the through hole 45 of this support block 46 is connected to the base 3.
A lifting guide shaft 4 installed so as to be planted on the back side of 5.
7 with a slide bearing 48 interposed between them, as shown in FIG. Clamping piece 49,4
At 9, a rotation regulating guide shaft 50, which is set up parallel to the elevating guide shaft 47, is clamped, and the elevating guide shaft 47 is mounted so as to restrict rotation in the direction around the axis. The carrier 44 mounted in this manner is driven up and down by a lift drive motor 51 disposed on the upper back side of the base 35, as shown in FIG. The driving force of this lifting drive motor 51 is transmitted to the conveying body 44 via a wire 52, and the wire 52 for transmitting the driving force has both ends connected to the conveying body 44.
4, and is wound around a pulley 54 attached to the drive shaft 53 of the lift drive motor 51.
8 to the conveying body 44, and is wound around a pulley 54 disposed at an appropriate position on the main body of the apparatus, and drives a traveling path parallel to the lifting guide shaft 47 and the lifting drive motor 51. It is wound so that it has a running path in a direction perpendicular to the axis 53. In addition, a balance weight 57 is connected to the middle part of the wire 52 and is slidably fitted to a slide shaft 56 that is set parallel to the lifting guide shaft 47. It is designed so that it can be stopped at an appropriate position. In this way, the transport body 44 of the transport mechanism 33 is guided by the lift guide shaft 47 and lifted and lowered by the lift drive motor 51. The disk pull-out mechanism 3
The optical disc 3 stored and held in the disc storage case 1 pulled out by the disc table 4
1.

A disk drawer mechanism 32 is slidably supported on the carrier 44 of the carrier mechanism 33.
The slider 60 has a slider 60 formed into a substantially H shape with connecting rods 59, 59 integrally provided therein. This slider 60 has a pair of support rails 61, 61, each having a V-shaped groove bored in the longitudinal direction, which are attached to opposite sides of the lower surfaces of support rods 59, 59, and which are attached to opposite sides of the conveyor 44. A slot bearing 62a is interposed between a pair of guide rails 62, 62 having a V-shaped groove bored in the longitudinal direction, and the slot bearing 62a is sandwiched between the pair of disk storage sections 31, 31 in the horizontal direction on the conveyor 44. It is designed to be able to slide freely. The slider 60, which is thus able to slide on the carrier 44, is driven by a slider drive motor 64 attached via a metal fitting 63 attached to the back side of the delivery body 44, as shown in FIG. The slider 60 and the slider drive motor 64 have a spur gear 66 meshed with a rack 65 attached to one side of the support frame 59 of the slider 60, and a helical gear 67 coaxially with the spur gear 66. A worm gear 69 attached to the drive shaft 68 of the slider drive motor 64 is meshed and connected to the helical gear 67, and the slider 60 is moved by the rotational drive of the slider drive motor 64. ing.

As described above, the slider 60 of the drawer mechanism 32 has the slider 60 slidably provided on the carrier 44 by the slider drive motor 64.
A pair of hook members 70 constituting a holding means for holding the disk storage case 1 stored and placed in each disk storage portion 31, 31 is attached to each disk storage portion 3.
1 and 31, one set is provided facing each other. The hook member 70 constituting the holding means of the disk storage case 1 engages with the engaging recess 7 provided on both sides of the disk storage case 1 at the tip of the arm portion 71, as shown in FIGS. 11 and 12. An engaging pawl 72 having a shape corresponding to this engaging recess 7 is provided. That is, the engaging pawl 72 is formed into a substantially V-shape with a narrow width at the distal end and a width that gradually becomes wider toward the proximal end. Then, each pair of hook members 70, 70 is arranged in pairs.
and 70, 70 are arranged symmetrically with respect to the center line of the connecting rod 58 of the slider 60 to face the respective engaging claws 72, and at the connecting portion between the supporting rods 59, 59 and the connecting rod 58, the above-mentioned The locking piece 7 is rotatably supported on the lower surface side of the slider 60 via a support shaft 73, and stands up at the base end of the arm portion 71.
4, and the other end is locked to a locking piece 75 formed on a part of the slider 60.
6, the engaging claws 72 are attached so as to be biased to rotate in the direction of the arrow X in FIG. 12, which is the direction in which the engaging claws 72 approach each other. In addition, the hook member 70
This arm portion 71 is attached to the base end side of the arm portion 71.
A positioning piece 77 is integrally extended so as to be orthogonal thereto. This positioning piece 77 is
When the hook member 70 is rotationally biased and attached to the slider 60, it abuts and locks against a pair of positioning locking pieces 98, 78 cut and raised on the center line of the connecting rod 58 of the slider 60. The rotation biasing position of each hook member 70 is regulated. The distance between the engaging claws 72, 72 of each pair of hook members 70, 70 attached in this way is approximately the same as the length spanning the respective engaging recesses 7, 7 on both sides of the disk storage case 1, and Matching claws 72, 72
are engaged with the engaging recesses 7, 7, respectively, and the hook members 70, 70 move toward the disk storage case 1 without receiving the biasing force of the spring 76.
is engaged with the engaging recesses 7, 7 to hold the disk storage case 1 without applying any load.

Further, on the upper surface side of the slider 60, each of the hook members 70 is rotated against the biasing force of a spring 76 to widen the interval between the engaging claws 72, 72 of each pair of hook members 70, 70. The solenoid plunger 79 that opens is attached to each of the hook members 7 on the support rod 59.
It is attached to each 0. Each solenoid plunger 79 is connected to one pair of hook members 70.
The hook member 70 that is the other pair with the one that operates the
The plunger rods 81 are mounted so as to face each other. The solenoid plunger 79 and the hook member 70
are connected by an L-shaped connecting plate 82 formed as shown in FIG. This connecting plate 82
A short piece 84 is provided with a fitting recess 83 for fitting the plunger rod 81 on the upper surface, and a projecting piece 86 is provided with a fitting pin 85 that fits into the hook member 70 so as to protrude toward the bottom side. and a long piece 87 provided on one side of the distal end. The solenoid plunger 79 and the hook member 70 are arranged such that an engagement groove 88 formed around the outer tip of the plunger rod 81 is engaged with the fitting recess 83, and the hook member faces the through hole formed in the slider 60. 70
By fitting the fitting pin 85 into a fitting hole 90 formed at the base end of the arm portion 71, the arms are connected as shown in FIG. Then, when the solenoid plunger 79 is energized and the plunger rod 81 is attracted, the hook member 70 is rotated against the spring 76, and the interval between the opposing engaging claws 72, 72 of each pair of hook members 70 is adjusted. For example, the pair of hook members 70, 70
release the hold on the disk storage case 1.

By the way, the solenoid plunger 7 operates the one and the other hook members 70, 70 of each pair.
9 and 79 are attached to face each other, and the respective hook members 70 and 70 are attached close to each other, so that each of the connecting plates 82 and 82 is connected to each long piece 87,
87 facing each other, and the rotating operation mechanism for the hook member 70 can be compactly installed in a small space.

Further, a detection mechanism is provided on the slider 60 to detect whether the hook member 70 is in an activated state or in an inactive state by operating the solenoid plunger 79. This detection mechanism consists of a photo interrupter 9 having a pair of light receiving elements and a light emitting element.
2, and a shutter plate 93 that enters between the light receiving element and the light emitting element of this photo interrupter 92. The shutter plate 93 is provided facing the fitting pin 85 on a protrusion 86 provided with the fitting pin 85 of the connecting plate 82 which is a movable part that connects the hook member 70 and the solenoid plunger 79. On the other hand, the photo interrupter 92 is attached to the connecting rod 58 of the slider 60 so that the photo interrupter mounting portion 94 faces the connecting plate 82 .
5 is fixedly attached via a holder 96. The photo interrupter mounting portion 94 of the holder 96 is provided with two photo interrupter fitting portions 97, 97 so that the two photo interrupters 92, 92 can be fitted therein. This photo interrupter fitting portion 17 includes
Fitting holes 97a and 97b are formed into which the light emitting element mounting part 92a and the light receiving element mounting part 92b of the U-shaped photo interrupter 92 fit, respectively.
Then, the photo interrupter 92 is fitted and disposed by fitting the light emitting element and light receiving element mounting parts 92a, 92b into these fitting holes 97a, 97b and placing them on the installation piece 97c. Two photo interrupters 92, 9 installed in this way
2 is a connecting piece 82 that is attached to face each other;
82 shutter plates 93, 93, one of the photo interrupters 92 is
When one connecting plate 82 is activated, this connecting plate 82
When the light from the light emitting element is blocked by the shutter plate 93 provided at
The other photo interrupter 92 detects that the rotation operation has been performed by the light receiving element, and when the other connecting plate 82 is activated, the light from the light emitting element is blocked by the shutter plate 93 provided on this connecting plate 82. As a result, the connecting plate 82 operates and the connecting plate 82
The light-receiving element detects that the hook member 70 connected to the hook member 70 is rotated.

A disk storage section 31 is constructed by a disk drawer mechanism 32 provided with a hook member 70 as a holding means for the disk storage case 1 having the above-described configuration.
The following describes the operation from the operation of pulling out the disc storage case 1 stored in the disc storage case 1 to the performance of the optical disc 3 stored and held in the pulled-out disc storage case 1. Here, in the operation section (not shown),
Specify one of the pair of disk storage sections 31, 31, for example, the disk storage section 31 located on the left side in FIG. , the four solenoid plungers 79 that rotate each hook member 70 are turned on, and each pair of hook members 70 is rotated to widen the distance between them, and then the lift drive motor is turned on. 51 is driven to guide the conveying body 44 to the elevating guide shaft 47 and lift it up and down, thereby transporting the slider 60 supported on the conveying body 44 to the position corresponding to the disk storage case 1 at the specified address. At this time, the slider drive motor 64 rotates in the normal direction, and the slider 60 is moved to the designated left side of the disk storage section 31. and,
When the slider 60 moves and the engaging claws 72, 72 at the tips of one pair of hook members 70, 70 provided on the slider 60 reach the opposing positions of the engaging recesses 7, 7 of the disk storage case 1. , carrier 4
A first detection switch 101 for detecting the slider position provided on the slider 60 is operated by a first operating method 102 provided on the left side in FIG. 9 of one of the support rods 59 of the slider 60. A detection signal is output to detect that the slider 60 has reached the first position on the left side of the disk storage section 31, and the drive of the slider drive motor 64 is stopped. and,
The slider 60 is connected to the pair of hook members 70, 7.
0 is stopped at a position facing the engagement recesses 7, 7 of the disk storage case 1 designated as 0. Here, the solenoid plungers 79, 79 of one pair of hook members 70, 70 located on the left side of the slider 60 are turned off, and the hook members 79, 79 are turned off.
The engagement claws 72, 72 at the tips of the discs 0, 70 engage with the engagement recesses 7, 7 of the disk storage case 1. When the disk storage case 1 is held by the hook members 70, 70 in this manner, the slider drive motor 64 is driven in the reverse direction, and the slider drive motor 64 slides to the right in FIG. 9, which is the side of the other disk storage section 31. from one disk storage section 31. When this disk storage case 1 is pulled out as described above, the guide grooves 24, 24 on both sides are engaged with the pair of guide rails 103, 103 provided on the carrier 44 as shown in FIG. The slider 6 is guided by the guide rails 103, 103.
0 on the carrier 44. As shown in FIG. 14, the slider 60 is installed in a pair of disc storage units in which the center hole 3a of the optical disc 3 stored and held in the pulled-out disc storage case 1 coincides with the axis of the spindle shaft 42 of the player section. The second position corresponds to the center position between the parts 31, 31. When this slider 60 is moved to the second position, this slider 60
A second detection switch 106 for detecting the slider position provided on the carrier 44 is operated by a second operation piece 105 provided on the right side in FIG. A slider detection output is output from the detection switch 106. When this slider detection output is output, the drive of the slider drive motor 64 is stopped, and the slider 60 is stopped at the second position as shown in FIG.

By the way, in the state where the slider 60 has reached the second position as described above, one pair of hook members 70, 70 and the other pair of hook members 70, 70 opposite to each other are attached to the one disk storage section 3.
Engagement recesses 7, 7 of the disk storage case 1 placed in the other disk storage section 31 facing the disk storage case 1
The engaging claws 72, 72 are in a state of being opposed to each other.

As mentioned above, the pair of hook members 7
0,70, and when the slider 60 pulls out the disc storage case 1, the lifting drive motor 51 is driven in the normal rotation direction, and the transport body 44 is moved downward toward the player section 33. lower it.

By the way, as shown in FIG. 15, a chuck arm mounting bracket 110 is attached to the support block 46 that supports the conveyor 44 on the lifting guide shaft 47, and a chuck is connected via the chuck arm bracket 110. A king arm 111 is attached. This chucking arm 111 connects a disk chuck portion 112 disposed on the distal end side to the carrier 4.
The tension coil spring 114 is supported via a pivot shaft 113 so as to face the slider 60 provided on the support block 46, and the other end of the tension coil spring 114, which has one end locked to the support block 46, is connected to a base rearward from the pivot shaft 113. The slider 60 is locked on the end side.
It is attached so that it is biased to rotate in the direction away from the base. That is, the tracking arm 111 is
The slider 60 is positioned so as not to obstruct the operation of pulling out the disk storage case 1. Further, the base end of the chucking arm 111 is provided with a pressure contact that engages with a pressing cam portion 115 attached to a base 35 constituting the main body of the device when the carrier 44 is lowered to a position on the side of the player portion 33. roller 116
is provided.

Then, the carrier 44 provided with the slider 60 that pulled out the disc storage case 1 was lowered, and when the carrier 44 reached above the player section 33, it was placed on the guide rails 103, 103 of the carrier 44. The disk table 41 enters the elongated hole 6 of the disk storage case 1, and the optical disk stored and held in the disk storage case 1 is placed on the disk table 41 by fitting the center hole 3a into the spindle shaft 42. be done. When the conveyor 44 is further lowered from this state, the disk storage case 1 is conveyed to a position below the disk table 41 and separated from the optical disk 3 while leaving the optical disk 3 on the disk table 41. Ru. Further, when the transport body 44 is lowered to a position where the optical disk 3 is placed on the disk table 41, the chucking arm 111 is moved to the pressure roller 111 provided at the base end, as shown in FIG. is engaged with the pressing cam portion 115 and rotated toward the disk table 41 against the biasing force of the tension coil spring 114, and the disk chuck portion 112 provided on the tip side is pressed onto the disk table 41. The optical disc 3 placed on the disc table 41 is clamped, and the optical disc 3 is rotated together with the disc table 41. Note that a limiter spring 119 is disposed between the mounting shaft 117 of the disk chuck portion 112 and a pivot portion 118 that slidably supports the mounting shaft 117.
2 to the optical disk 3 is always kept at a predetermined pressure.

As described above, when the optical disk 3 is separated from the disk storage case 1 and the transport body 44 is lowered to the position where it is clamped onto the disk table 41 by the disk chuck part 112, it is moved to the base end position of the elevating guide shaft 47. The provided carrier position detection switch 121 is operated by a press operation section 122 at the lower end of the carrier 44, and a lowered position detection output of the carrier 44 is output. When this detection output is output, the elevating drive motor 51 is stopped, the player unit 34 enters the playing state, the disc table 41 is rotationally driven, the optical disc 3 is rotated, and the elongated hole portion 6 of the disc storage case 1 is rotated. An optical pickup device 43 disposed opposite to the optical disk 3 moves along the inner and outer peripheries of the optical disk 3, and records data on the optical disk 3 using a laser beam oscillated from a semiconductor laser built therein. The musical tone signals and the like are read and the performance is performed.

Then, the performance of the optical disc 3 is finished,
Alternatively, when the switch for stopping the player section 34 is operated, the rotation of the disk table 41 is stopped, and at the same time, the elevating drive motor 51 is reversely driven to raise the conveying body 41, and the disk table 41 is rotated.
The optical disk 3 placed thereon is stored and held in the disk storage recess 4 of the disk storage case 1. At this time, in the chucking arm 111, the pressure roller 116 separates from the pressing cam part 115 and is rotated by the tension coil spring 114, thereby separating the disc chuck part 112 from the disc table 41 and releasing the clamping of the optical disc 3. . As mentioned above, put the optical disk 3 into the disk storage case 1.
After storing and holding the disc storage case 1 inside, the transport body 44 is further raised, moves to a specific address position of the disc storage section 31 where the disc storage case 1 is stored, and stops. When the conveyance body 44 stops, the slider drive motor 64 is driven in the reverse direction, and the slider 60 moves to the first position, which is on the side of one disk storage section 31, and the pair of hook members 70, 70 The disk storage case 1 that was being held is pulled into the disk storage section 31. Then, the first operation piece 102 provided on the slider 60 presses the first detection switch 101, and the slider 6
When it is detected that 0 has reached the first position, the slider drive motor 64 is stopped and the pair of solenoid pragmas 79, 79 for rotating the one pair of hook members 70, 70 is turned on. Then, the hook members 70, 70 are rotated, and the engaging claw 7 at the tip of the hook members 70, 70 is rotated.
2, 72 into the engagement recess 7 of the disk storage case 1,
Remove from 7. Then, the holding of the disk storage case 1 by the hook members 70, 70 is released, and the operation of pulling the disk storage case 1 into the disk storage portion 31 is completed.

In the above operation description, the disk storage case 1 stored in one of the pair of opposing disk storage sections 31, 31, on the left side in FIG. 9, is selected and pulled out, and the disk storage case 1 is stored and held in this disk storage case. As explained above, the case where the optical disc 3 is played is played by selecting the disc storage case 1 stored in the other disc storage part 31 located on the right side in FIG. 9, and pulling it out. When playing the optical disc 3 stored and held in the disc table 41, the disc storage case 1 is pulled out and conveyed in substantially the same manner as described above, and the optical disc 3 is mounted on the disc table 41. Thereafter, the optical disc 3 that has been played is stored and held in the disc storage case 1, and the disc storage case 1 is pulled into the disc storage section 31.

However, when the other disk storage section 31 located on the right side is designated, the slider drive motor 64 is driven in reverse to move the slider 60 to the other disk storage section 31 on the designated right side. When the slider 60 is moved toward the other disk storage section 31, the engagement claws 72, 72 at the ends of the other pair of hook members 70, 70 provided on the slider 60 engage the engagement recesses of the disk storage case 1. 7, 7, a second detection switch 106 for detecting the slider position provided on the carrier 40 is provided on the right side of one of the support rods 59 of the slider 60 in FIG. outputs a detection signal for detecting that the slider 60 has reached the second position on the right disk storage section 31 side, and drives the slider drive motor 64. make it stop. The slider 60 is connected to the pair of hook members 70, 70.
is stopped at a position facing the designated engagement recesses 7, 7 of the disk storage case 1. Here, the solenoid plungers 79, 79 of the other pair of hook members 70, 70 located on the right side of the slider 60 are turned off.
The engagement claws 72, 72 at the tips of 0 and 70 engage with the engagement recesses 7, 7 of the disk storage case 1. In this way, the hook members 70, 70 are used to attach the disk storage case 1.
When the slider drive motor 64 is held in the forward direction, the slider drive motor 64 is driven to rotate normally, and the first
7. Slide to the left in FIG. 7 and pull out the disk storage case 1 from one disk storage section 31. As shown in FIG. 18, the slider 60 is installed in a pair of disc storage units in which the center hole 3a of the optical disc 3 stored and held in the pulled-out disc storage case 1 coincides with the axis of the spindle shaft 42 of the player section. The first position corresponds to the center position between the parts 31, 31. When this slider 60 is moved to the first position, this slider 60
The first detection switch 10 for detecting the position of the slider provided on the conveyor 44 is operated by the first operation piece 102 provided on the left side in FIG.
1 is operated, and a slider detection output is output from this first detection switch 101. When this slider detection output is output, the drive of the slider drive motor 64 is stopped, and the slider 60 is stopped at the first position. Ru.

By the way, in the state where the slider 60 has reached the second position as described above, one pair of hook members 70, 70 facing the other pair of hook members 70, 70 is attached to the other disk storage section 3.
The engagement recesses 7, 7 of the disk storage case 1 are placed in one of the disk storage sections 31 facing the disk storage case 1.
The engaging claws 72, 72 are in a state of being opposed to each other.

As mentioned above, the slider 60 constituting the disk pull-out mechanism 33 used here is formed in a symmetrical H shape with the connecting rod 58 as the center, and each pair of hook members 70, 70 and 70, 70 is connected to the connecting rod 58.
When the slider 60 moves to the first position, one pair of hook members 70 and 70 are arranged symmetrically about the center line of the disk storage section 31 and close to each other. placed in a state of engagement with the engagement recesses 7, 7 of the storage case 1;
The other pair of hook members 70, 70 engage with the engaging recesses 7, 7, and the center hole 3a of the optical disk 3 housed in the disk storage case 1, which is drawn from the other disk storage section 31, The hook members 70, 70 of the other pair are located at the center between the storage sections 31, 31, and when the slider 60 moves to the second position, the hook members 70, 70 of the other pair are located at the center between the disk storage sections 31, 31.
The hook members of one pair are engaged with the engaging recesses 7, 7 of the disk storage case 1 stored and placed on the disk storage case 1, and the hook members of one pair are engaged with the engaging recesses 7, 7 of the disk storage case 1, The center hole 3a of the optical disk 3 housed in the disk storage case 1 referred to from the disk storage section 31 of the above-mentioned disk storage section 31,
31, and one of the pair of hook members 70,
70 is one of the disk storage sections 31, 31
The center hole 3 of the optical disk 3 accommodated in the disk storage case 1 is engaged with the engagement recesses 7, 7 of the disk storage case 1 placed in the disk storage case 1.
When a is located at the center between the disk storage sections 31, 31, it is moved up and down by the transport mechanism 33, so the slider 60 can be made small and its sliding range can be reduced, and the distance between the disk storage sections 31, 31 can be reduced. It can be made smaller, and the device can be made smaller.

〔Effect of the invention〕

According to the present invention as described above, since the disk storage case can be taken out from the disk storage sections on both sides while minimizing the movement range of the disk pull-out mechanism, the disk support device can be downsized and this device can be incorporated. Miniaturization of the automatic performance device is achieved. In addition, it becomes possible to construct an automatic performance device that requires a small device space.

Further, the disk drawer mechanism of the present invention can be configured with a reduced number of detecting means since the disk storage case can be pulled out to the disk storage sections on both sides by detecting the position by the two position detecting means. .

[Brief explanation of the drawing]

FIG. 1 is a schematic external perspective view showing an automatic performance device for optical discs equipped with a disc pull-out mechanism according to the present invention, and FIG. 2 is a front view thereof.
FIG. 3 is a plan view thereof. FIG. 4 is a perspective view showing a disk storage case used in the apparatus of the present invention, FIG. 5 is a bottom perspective view of the disk storage case, and FIG. 6 is a sectional view thereof. FIG. 7 is a partial front view of the disc storage section constituting the automatic performance device, FIG. 8 is a plan sectional view of the disc storage section, and FIG. 9 is a partial front view of the disc storage section constituting the automatic performance device. FIG. 10 is a side view showing a slider drive mechanism constituting the disk drawer mechanism of the present invention, and FIG. 11 is an exploded perspective view of the slider. FIG. 12 is a bottom view of the slider, and FIG. 13 is a plan view showing the operation detection mechanism of the hook member. FIG. 14 is a plan view showing a state in which the disk storage case is pulled out from one disk storage section. FIG. 15 is a side view showing the chucking arm portion provided on the carrier, and FIG. 16 is a side view showing the state in which the disk is clamped on the turndel. FIG. 17 is a plan view of the slider in the second position;
FIG. 8 is a plan view of the disk storage case pulled out from the second disk storage section. 1... Disk storage case, 3... Optical disk, 31, 31... Disk storage section, 32... Disc drawer mechanism, 33... Disk transport mechanism,
34...Player section, 41...Disk table, 44...Transportation body, 47...Elevating guide shaft, 5
1... Lifting drive motor, 61... Slider, 70
...Hook member, 111...Disc chuck arm, 112...Disc chuck portion.

Claims (1)

[Scope of Claims] 1. A disk storage case in which a disk is stored in a disk storage recess formed on one main surface and that has engagement recesses on both sides, and a pair of disk storage cases arranged opposite to each other. a disk storage section; a disk drawer mechanism capable of pulling out the disk storage case stored in each of these disk storage sections and moving between the disk storage sections to take a first and second position; a disk elevating mechanism for lifting and lowering the disk drawer mechanism; and an engaging recess of the disk storage case provided in the drawer mechanism and moved by electromagnetic means so as to face each of the pair of disk storage sections. and a pair of hook members that engage with each other, and when the disk pull-out mechanism moves to the first position, one pair of hook members engages a disk storage case stored in one of the disk storage sections. The disk storage case is brought into a state facing the recess, and the hook member forming the other pair engages with the engagement recess to pull out the disk storage case from the other disk storage section. The center hole of the disk is located at the center between the pair of disk storage sections, and when the disk pull-out mechanism moves to the second position, the hook member of the other pair is located at the center between the pair of disk storage sections. At the same time, one pair of hook members engages with the engaging recess to pull out the disk storage case from one of the disk storage parts, and the hook member is pulled out from one of the disk storage parts. The center hole of the disk in the disk storage case is located at the center between the pair of disk storage sections, and one of the pair of hook members is operated by the electromagnetic means to store the pair of disks. The center hole of the disk stored in the disk storage case that is pulled out by engaging the engagement recess of the disk storage case placed in one of the disk storage parts is located between the pair of disk storage parts. A disk exchanging device configured to move the disk elevating mechanism up and down when the disk is located at the center.