JPS63271756A - Magazine locking device for disk automatic changer - Google Patents

Abstract

PURPOSE:To surely lock and unlock a magazine to and from a lift stage in a simple mechanism by providing a lock bar on the lift stage and a cam bar on a chassis respectively. CONSTITUTION:When a magazine is put on a lift stage 21, a switching means is closed and a lift stage driving means starts to move the stage 21. Thus the interlocking states are released between the lock bars 25A/25B and the cam bars 28A and 28B respectively. Then the magazine is automatically locked onto the stage 21 via the bars 25A and 25B. While the bars 25A and 25B interlock the bars 28A and 28B respectively when the stage 21 is moved to a prescribed position. Then the lock of the magazine caused by the bars 25A and 25B is released. In such a constitution, the magazine is automatically locked and unlocked to and from the stage 21 in response to the movement of the stage 21 and in a simple mechanism.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a magazine opening/picking device for an autochanger for discs such as compact discs (CDs).

2. Description of the Related Art Conventionally, there has been known a disc autochanger that takes out a single disc from a magazine containing a plurality of discs and automatically supplies it to a player. This type of autochanger has a magazine transport mechanism that transports the magazine to a predetermined position, a magazine fixed at a predetermined position, a disc selection mechanism that selects and takes out a predetermined disc, and stores the disc in the magazine after playback. The magazine transport mechanism and disk selection mechanism were each driven by separate motors.

Problems to be Solved by the Invention As described above, the conventional disc autochanger has a complicated structure because the magazine transport mechanism and the disc selection mechanism are driven by separate motors.

The present invention solves the above-mentioned conventional problems.The present invention simplifies the configuration by using a common mechanism for both the magazine transfer mechanism and the disk selection mechanism, and also makes it easier to open and release the magazine to the lifting platform. It is a simple mechanism that will definitely work.

Means for Solving the Problems In order to achieve the above object, the present invention provides a switch means that closes when a magazine is placed on the lifting platform to start the lifting platform driving means, and a switch means that closes the magazine when the magazine is placed on the lifting platform and starts the lifting platform driving means. It is comprised of a locking piece that locks onto the lifting platform, and a cam piece that is provided at a predetermined position on the inner wall of the chassis and engages with the locking piece.

Operation The present invention has the above-mentioned configuration, and when the magazine is placed on the lifting platform, the switch means is closed, the lifting platform driving means is started, the lifting platform begins to move, and the lock piece is moved. When the cam piece is disengaged, the magazine is automatically locked onto the platform by the lock piece. On the other hand, when the elevating table moves to a predetermined position, the lock piece engages with the cam piece, and the opening of the magazine is released by the lock piece.

Embodiment In FIGS. 1 and 2, 1A and 1B are L-shaped chassis, and the ends of the chassis 1A and 1B are screwed together to form a box-shaped chassis 1. be done. Reference numeral 2 denotes a board mounted inside the chassis 1, and a motor 3 is fixed to this board 2. 4 is a worm gear fixed to the rotating shaft of the motor 3, 5 is a large gear rotatably supported at the center of the board 2, and eA, eB, and eC are the board 2.
These gears 6A,
6B and ec are always meshed with the large gear 6. T is a gear rotatably supported on a shaft 8 fixed to the substrate 2, and this gear 7 has a worm gear portion 7A that meshes with the worm gear 4 and a gear portion 7B that meshes with the gear 6A.
is formed. When the motor 3 rotates, its rotational force is transferred to the worm gear 4. Gear 7. The signal is transmitted to the large gear 5 via the gear 6A, and further transmitted to the gears eB and eC. 9 is a gear-shaped rotating body, and this rotating body 9 is connected to the substrate 2.
It is rotatably supported on a shaft 10 fixed to. A gear portion 9A that meshes with the large gear 5 is integrally formed at the lower part of the gear-shaped rotating body 9. Reference numeral 11 denotes a photocoupler fixed to the substrate 2, and the gear-shaped tipping body 9 is interposed between the light emitting element and the light receiving element constituting the photocoupler 11. When the large gear 6 is rotationally driven by the motor 3, the rotating body 9 also rotates, and the photocoupler 11 generates a pulse. Reference numeral 12 indicates position detection microswitches 13A and 13B fixed to the substrate 2.

13C is a bearing supported in the hole of the substrate 2.

14A, 14B, and 14C have small gears 16A at one end.

15B and 1sC are fixed screw rods, and the lower ends of these screw rods 14A to 14C are connected to the bearings 13 and 13, respectively.
Supported by A to 13C. 1sA, 1eB.

16C is a bearing supported in the holes of protrusions 18A, 18B, 18C of chassis 1A, 1B via plate springs 1rA, 1rB, 17C, and one end of the threaded rods 14A to 14C is connected to the bearing 1eA to Supported by 1ec. in this way,
The threaded rods 14A to 14C have bearings 168 to 16C supported by protrusions 18A to 18C of the chassis 1A and 1B,
The bearings 13A to 13C supported by the substrate 2 are rotatably supported. Small gear 15A of each threaded rod 14A to 14C
~16C meshes with the gears 6A~8CVc. 19A.

19B is a guide rod, this guide rod 19 A y1
One end of 9B is inserted into the hole of the board 2, and the other end is inserted into the hole of the chassis 1.
The projecting pieces A are inserted into the holes 2OA and 2oB and supported.

Reference numeral 21 denotes an elevating table, and a plate 21 is provided on the upper surface of the elevating table 21.
A is fixed. Also, this elevating platform 21 has nuts 2.
2A to 22C are supported.

23A to 23C are leaf springs that bias the nuts 22A to 22C upward. The nuts 22A-22C are screwed onto the threaded rods 14A-14C. 24A, 24B
are guide holes formed in the lifting table 21, and the guide rods 19A, 19B are inserted into these guide holes 24A, 24B. When the large gear 6 is rotationally driven by the motor 3,
As a result of the rotation of the gears 6A to 6C and the rotation of the small gears 1sA to 1SC that mesh with the gears 6A to 6C, the threaded rod 14A
~14C also rotates, and the lifting platform 21 moves upward or downward. 25A and 25B are bins 26A.

Lock pieces 27A and 27B are rotatably supported on the lifting platform 21 by 26B, and lock pieces 25A.

This spring 27A is a spring that biases the spring 25B.

The lock pieces 25A and 25B, which are biased by the force 27B, lock the magazine placed on the lifting table 21.

2sA and 28B are cam pieces integrally formed on the chassis 1A and 1B, and when the elevating table 21 moves upward, one end of the lock pieces 25A and 25B touches the cam piece 28.
A, 28B, the lock pieces 25A, 25B rotate against the urging force of the springs 27A, 27B, and the lifting platform 2
1. Unlock the magazine above. 29 is chassis 1
This is a microswitch attached to A, and this microswitch 29 is driven by the lifting table 21 when the lifting table 21 moves to the top. 30 is the lifting platform 21
This lever 30 is rotatably supported on one side, and this lever 30 is integrally formed with a contact portion 30A that comes into contact with the magazine when the magazine is placed on the lifting table 21. ing. 31 is a microswitch fixed to the lifting platform 21, and this microswitch 31 is connected to the lever 3 mentioned above.
0 contact portion 30A. 32 is chassis 1
A lever 33 is rotatably supported by the lever 32; a spring 33 has one end locked to one end of the lever 32 and the other end locked to a locking piece of the chassis 1A; 34 is a spring integrally formed with the chassis 1A; The rotation of the lever 32, which is biased by a spring 33, is restricted by the stopper 34°. A sliding plate 36 is slidably supported on the inner surface of the chassis 1B, and a spring 36 has one end locked to the sliding plate β6 and the other end locked to a locking portion of the chassis 1B. This spring 36 urges the sliding plate 36 in one direction.

37 is a drive piece attached to one end of the sliding plate 36;
This driving piece 37 drives the rotating arm of the magazine. 38 is chassis IA.

A magazine is inserted through a magazine insertion opening 38A formed by a frame 38 that is fixed to the upper part of the frame 1B. The damper 39 is a rubber damper (-) attached to the outer surface of the chassis 1A, IB.
The chassis 1A, 1B, etc. are rotatably supported within the case.

40 is a player, and this player 4o is the chassis 1
screwed inside. 41 is a roller support plate screwed to the chassis of the player 4o, 42A and 42B are bent parts formed by bending a part of the roller support plate 41, and bearings 43A and 43B are attached to these bent parts 42A and 42B. is installed. A shaft 44 is rotatably supported by the bearings 43A and 43B, and a gear 44A is fixed to one end of the shaft 44. 45 is the shaft 44
A roller 46 is rotatably supported by a bending portion 42A;
This shaft 46 is inserted into elongated holes 47A and 47B of 42B, and driven rollers 48A and 48B are rotatably supported by this shaft 46.

A spring supported by a 48Ci shaft 46,
Due to the elastic force of this spring 48G, the driven roller 4
8A and 48B are biased toward the bent portions 42A and 42B. The driven roller 48A.

48B, the diameter on the center side is smaller than the diameter on the bent portions 42A and 42B side. 46A and 46B have one end bent at 4-2A.
, 42B, and the other end is locked to the shaft 46, and this spring 46A.

The shaft 46 is urged upward by the elastic force of the shaft 46B, and the driven rollers 48A and 48B are pressed against the roller 46. A gear 49 is rotatably supported by the bent portion 42B, and this gear 49 meshes with the gear 44A.

Next, the player 40 will be explained. 3 to 7, 50 is a player chassis, 61 is a motor board, and a motor 52 is attached to this motor board 61. In FIGS. 53 is a worm gear fixed to the rotating shaft of the motor 62; 64 is a gear rotatably supported on the motor board 51; this gear 64 has a worm gear portion 54A and a bevel gear portion 54B that mesh with the worm gear 53; It consists of 65 is a gear rotatably supported by the motor board 61, and this gear 55 has the bevel gear portion 54B.
It is composed of a bevel gear part 55A and a gear part ssB that mesh with the gear part 55A and the gear part ssB. The motor board 51 is screwed to the chassis 5o. 66 is a gear rotatably supported by a shaft embedded in the side surface of the chassis 5o, and this gear 66 is composed of the gear part 55B of the gear 65 [01], the mating gear part 56A, and another gear part 56B. be done. 57 is a gear composed of gear parts 57A and 57B, and the gear part 57A meshes with the gear part seA of the gear 66. Reference numeral 68 denotes a bottle drive plate rotatably supported by the shaft 59 that supports the gear 57, and the bottle drive plate 58 has recesses 58A and 58B.
is formed. 60 is a plate spring, and the pin drive plate 68 is driven by the gear 67 due to the elastic force of the plate spring 60.
is pressed against the end face of the plate via a washer 61.

The rotational force of the motor 62 is applied to the worm gear 53° gear 6.
4. Gear 56. is transmitted to gear 67 via gear 66,
This gear 57 and the bin drive plate 68 rotate.

Reference numeral 62 denotes a rotating plate embedded in the side plate of the chassis 5o and rotatably supported by a shaft 62E.
A gear portion 62A that meshes with the gear portion 57BK of the gear 57;
Bottles 6 that fit into the recesses 68A and 58B of the pin drive plate 68
2B, 62C and a cam hole e2D are formed. 6
3 is a roller support plate, and bins 63A and 63B provided on the left and right sides of this roller support plate 63 are inserted into holes in the side plates of the chassis 60, and the roller support plate 63 is rotatably supported by the chassis 60. 63G, 63Di roller support plate 6
This is a bending plate integrally formed with 3, and this bending plate 63C
, e3D supports the shaft 64. 65A, 6
5B is a driven roller rotatably supported by the shaft 64, and the diameter of the driven rollers 65A, 65B on the bending plates 6sC, esD side is larger than the diameter on the center side.

66 is a spring supported by the shaft 64, and the elastic force of this spring 66 causes the driven rollers 65A, 6
5B is a bent plate s3c, which is biased in the direction of 63D.

67A and 67B are disk insertion prevention members screwed to the roller support plate 62, and esA and eaB are bending plates 63C.
, the drive bin provided in e3D, drive bin eaB
is connected to the rotating plate 62 through the hole in the side plate of the chassis 50.
is inserted into the cam hole 62D. 69A has shaft 8 at one end
2H and the other end of the reversing spring asB is a reversing spring that has one end secured to the side plate of the chassis 60 and the other end secured to the drive pin eaA. 70A and 70B are sliders that are slidably supported on the inner surface of the side plate of the chassis 5o, and the sliders 70A and 70B are formed with inclined cam holes 71A and 71B into which the drive bins esA and esB are inserted. has been done.

Reference numeral 72 denotes a bottle implanted in the slider 70B, and the bottle 72 projects outward through a long hole 73 formed in the side plate of the chassis 5o. 74 is an arm rotatably supported on the side plate of the chassis 6o;
The bottle 72 is inserted into the elongated hole 74A formed in 4. 75 is an arm rotatably supported by the side plate of the chassis 6o, and a long hole 75 formed in this arm 76
A bottle 76 is inserted into the slider 70A. 77 is a solenoid of a plunger screwed to the side plate of the chassis 50, 77A is a movable piece of the plunger, and a bottle 77B is installed at the tip of this movable piece 77A. 77C is a spring that biases the movable piece 77A. The slider 7 is slidably supported on the side plate of the chassis 500, and the pin 77B of the movable piece 77A is engaged with the recess 78A of the slider 78.

Bearings 79A and 79B are fixed to the side plates of the chassis 50, and a shirt 80 is rotatably supported by the bearings 79A and 79B. 81 is a roller, and this roller 81 is rotatably supported by the shaft 8o. 80A is a gear attached to one end of the shaft 80, and this gear 80A meshes with the gear portion 57A of the gear 67.

50A is a bent plate part formed by bending a part of the bottom plate part of the chassis 5o, and this bent plate part 50jJj, the chassis 60
parallel to the side plate. 82 is a slider supported slidably on the bending plate part soA, 83 is a connecting arm rotatably supported on the bottom plate of the shaker 5o, and holes 83A and 83B formed in this connecting arm 83 are connected to each other. , the bin 82A of the slider 82 and the bin OC of the slider 70B are inserted. Said slider 70A, 70
B.

A locking portion for locking a substrate 84, which will be described later, is formed at the tip end of 82.

A base plate 84 is rotatably supported on the chassis 5o by an oil-filled damper 86. The base plate 86 is a spring whose one end is locked to the chassis 6o and the other end is locked to the base plate 84. 87 is a player unit fixed to the substrate 84, and this player unit 87 includes a turntable 88 and a motor 8 that rotationally drives the turntable 88.
9. An optical system including a lens 9o that focuses the light emitted from the laser diode onto the disk, a detector that detects the light reflected by the 91° disk for moving the lens 90 in the radial direction of the disk, etc. It is provided. 9
2 is a clamp support plate rotatably supported by the base plate 84, and this clamp support plate 92 has a clamp plate 93.
is rotatably supported. Reference numerals 92B and 92C are stopper bins installed in the clamp support plate 92, and the disk transferred into the player 40 comes into contact with these stopper bins 92B and 92C, and the transfer is stopped.

The hole edge of the center hole of the disk is connected to the turntable 88.
and the clamp plate 93.

A cover plate 94 covers the upper opening of the chassis 5o, and the cover plate 94 is screwed to the chassis 5o. 95 is a disk insertion prevention member attached to the cover plate 94, 96 is a printed circuit board attached to the cover plate 94, and this printed circuit board 96 is provided with two light receiving elements 96A and 96B. A printed circuit board 97 is screwed to the chassis 6o, and two light emitting elements 97A, 97B and a microswitch 97C are attached to the printed circuit board 97. Light receiving element 96A of the printed circuit board 96
, 96B and the light emitting elements 97A, 9 of the printed circuit board 97
7B constitutes a photocoupler, and these two pairs of photocouplers 7B detect insertion or ejection of a disc into the player.

A gear support plate 98 is screwed to the cover plate 94, and a gear 99 that meshes with the gear 49 is rotatably supported on the gear support plate 98. 100 is a gear rotatably supported by the gear support plate 98;
00 is the gear portion ts6A of the gear 99 and the gear 66
It is composed of a gear part 100A and a gear part 100B that mesh with each other.

1o1 is an intermittent gear rotatably supported by the gear support plate 98, and this intermittent gear 101 can mesh with the gear portion 100B of the gear 100. As shown in FIG. 7, a stopper piece 101B is provided on one side of the intermittent gear 101, and a shaft 101A is integrally formed on the other side.

The shaft 101A is the sliding plate 35 of the autochanger.
The roller 35B is inserted into the center hole of the roller 35B, which is rotatably supported by the long hole ssA. 102 is an L-shaped arm rotatably supported by the gear support plate 98;
A pin 77B of the plunger 77 is inserted into a hole 102A formed at one end of the plunger 77.

102BI/'i This is a bottle implanted at the other end of the arm 102, and this bottle 102B can be engaged with a stopper piece 101B provided on one side of the intermittent gear 1o1. 103 is a spring whose end is locked to the gear support plate 98 and whose other end is locked to the arm 102. 1
04 is an arm rotatably supported on the same axis as the arm 102, and a bottle 104A that can be engaged with the recess 35G of the sliding plate 35 is implanted at the tip of the arm 104.

A spring 105 has one end locked to the arm 102 and the other end locked to the arm 104. When the arm 102 is driven by the plunger 77, the arm 102 is rotated, and the arm 104 is also driven by the bent piece 102C of the arm 102, and the arm 104 is rotated in the same direction as the arm 102. move.

The above autochanger and player are equipped with a central processing unit (
CPU), random access memory (RAM).

It is controlled by a controller consisting of a read only memory (ROM) or the like.

8 to 11 show the magazine.

In FIGS. 8 to 11, 150 is a casing whose bottom and front surfaces are open, 161 is a bottom plate that closes the opening on the bottom of the casing 150, and this bottom plate 161 is attached to the casing by screws. 16
Attached to 0. 162 is a plurality of partition plates stacked on the front opening of the housing 150;
The disc moves in and out from between. 153 is a rotary lever, and a plurality of rotary levers 163 are rotatably supported by the housing 150. When the rotary lever 153 is rotated, the disk housed in the housing 150 is pushed, and the disk is ejected from the front opening of the housing 150. 154
A lock plate is integrally formed at the lower end of a groove 166 formed on both sides of the housing 15o, and this lock plate 164 is locked by lock pieces 25A and 25B of the autochanger.

FIG. 10 shows the magazine with the bottom plate 151 removed. In Figure 10, 156°157.158
are arcuate protrusions formed inside the housing 150, and these protrusions 166 to 168 have a plurality of arcuate grooves 156A, 157A, 158A into which the outer peripheral portion of the disk 159 is inserted.
are formed in parallel. 160 is a shaft formed integrally with the housing 150, and the plurality of rotary levers 163 are rotatably supported on this shaft 160. Reference numeral 162 denotes the partition plate, and recesses 16 are provided on both sides of the partition plate 152.
2A and 162B are formed.

1 esA and 163B are spacer parts integrally formed on both sides of the partition plate 162, and one spacer part 16
3A is formed with an L-shaped locking portion 164 and a groove portion 166, and the other spacer portion 163B is formed with a bearing portion 166 and a protrusion 167. 168 is a protrusion formed on the front and back sides of the partition plate 152, and this protrusion 168 is a spacer portion 163A.

It is slightly inclined so that the side 163B is higher and the center side of the partition plate 152 is lower, and only the outer peripheral part of the disk 159 contacts the protrusion 168. Reference numeral 170 is a plate spring, and a divided spring piece 171 is integrally formed on one side of the plate spring 170. Note that the tip of the spring piece 171 is bent into an L-shape. 172 is a bearing portion formed on the leaf spring 170. 173 is a regulation plate, and this parent control 1"n has a hole 174 formed into which the protrusion 167 of the partition plate 162 is inserted. 175 is a shaft, this shaft 1
75 is a bearing portion 166 of each partition plate 152 and a leaf spring 170
, and both ends of the shaft 176 are inserted into the bearing portion 166 of the housing 150 . It is inserted into a hole formed in the bottom plate 161. A leaf spring 176 is screwed to the inner surface of the side plate of the housing 150, and a divided spring piece 177 is integrally formed on one side of the leaf spring 176, and is also divided on the other side. A spring piece 178 is integrally formed. In addition, spring piece 1
The tip of 77 is bent into an L shape.

The tip of the spring piece 178 of the leaf spring 176 is attached to the partition plate 152.
It is inserted into the locking part 164 of. - The other side of the partition plate 162 whose side is supported by the shaft 176 is pulled by the elastic force of the spring piece 178 of the leaf spring 176.

When the rotary lever 163 is rotated in the state shown in FIG. 10, the rear part of the disk 159 is pushed by the rotary lever 153 and pushed out from between the partition plates 162, as shown in FIG. . In the case of a spring, the spring pieces 171 and 177 of the leaf springs 170 and 175 are once pressed by the disk 169 and then restored, and this restoring force pushes the disk 169 forward. Also, when the disc 159 is stored in the magazine after the performance, the spring pieces 171 and 177 are once pressed by the disc 159 and then restored, and this restoring force urges the disc 169 and stores it. .

Next, the operation of the above embodiment will be explained. Before inserting the magazine into the autochanger, the elevating table 21 is placed at the top. When the lifting table 21 is located at the top, one end of the lever 30 rotatably supported by the lifting table 21 is connected to the lever 32 supported by the shearmi 1A.
Since it is in contact with the contact part 3QA of the other end of the lever 30
is located above the lifting platform 21. In this state, when the magazine is inserted through the frame 38 and pressed downward against the elastic force of the spring 33, the abutting portion 30A of the lever 3o is pressed by the magazine, and the lever 3o is rotated. When the lever 3Q rotates and the abutment part 30A moves to almost the same level as the lifting platform 21, the microswitch 31 is turned on by the abutment part soA (11 in FIG. 12). When the microswitch 31 is turned on, the motor 3 rotates, and the rotational driving force of the motor 3 is applied to the worm gear 4. Gear 7. gear 6
A is transmitted to the large gear 6, which rotates the large gear 5, and the gears eB and ec meshing with the large gear 5 also rotate. For this reason, the threaded rods 14A, 14B.

Small gear t sA , 15B , 1 fixed to 14C
Since sc is rotated by the gears 6A, 6B, and 6C, the threaded rods 14A to 14G also rotate. Threaded rod 14A-14C
When the is rotated, the lifting platform 21 provided with the nuts 22A to 22C that are screwed onto the threaded rods 14A to 14C is guided by the guide rods 1A and 19B and lowered. When the lifting platform 21 begins to descend, the microswitch 29 provided on the chassis 1A is turned off (12 in FIG. 12). Elevation angle 21
On the way down, the cam piece 28A of the lock pieces 25A and 25B.

No forced drive by 28B, lock piece 2sA.

25B is biased by springs 27A and 27B and rotates QII.
L engages with the lock plate 154 of the magazine, and the magazine is locked to the lifting platform 21. When the lifting table 21 reaches the bottom, the micro switch 12 provided on the board 2 is driven by the lifting table 21, and the micro switch 12 is turned on.
The power supply to the motor 3 is cut off and the rotation of the motor 3 is stopped (t3 in FIG. 12). After a predetermined period of time has passed after the power supply to the motor 3 is cut off, a current in the opposite direction starts to be supplied to the motor 3, the motor 3 rotates in the reverse direction, and the lifting platform 21 starts to rise (t4 in FIG. 12). When the photocoupler 11 outputs a predetermined number of pulses after the motor 3 starts rotating in the reverse direction, the supply of reverse current to the motor 3 is stopped, and the lifting platform 2
1 stops rising (16 in Figure 12). This lifting platform 2
The stop position No. 1 becomes the reference position (the position from which the uppermost disk stored in the magazine is taken out).

After a predetermined period of time has elapsed after the motor 3 stops rotating (t6 in Figure 12), the solenoid 77 of the plunger is energized (16 in Figure 12). When the plunger 77 is energized and the movable piece 77A is sucked, this movable piece 77A
The arm 102 connected by the pin 77B rotates, and the arm 104 also rotates by the bent piece 102C of the arm 102.

When the arm 102 rotates as described above, this arm 1
The engagement between the pin 102B at the tip of 02 and the stopper piece 101B provided on the intermittent gear 101 is disengaged. Further, when the arm 104 rotates as described above, the engagement between the bin 104A of the arm 104 and the recess 35C of the sliding plate 36 is released.

Bin 104A of arm 104 and recess 35C of sliding plate 36
When the engagement with the sliding plate 3 is released, the biasing force of the spring 36 causes the sliding plate 3 to
6 slides a little. For this reason, the elongated hole 3 of this sliding plate 35
The intermittent gear 1o1 engaged with the shaft 1o1A through the Al roller 35B rotates slightly, and the intermittent gear 101 meshes with the gear portion 1oOB of the gear 100. Plunger 7
After a predetermined period of time has elapsed after the motor 7 is energized, current is supplied to the motor 52 and the motor 62 begins to rotate in a predetermined direction (
17) in Figure 12).

When the motor 52 rotates, the rotational driving force of the motor 62 is applied to the worm gear 63. Gear 54. Gear 55, gear 56
．． It is transmitted to the intermittent gear 101 via the gear 100, and the intermittent gear 101 rotates.

When the intermittent gear 101 rotates, the sliding plate 35 that engages with the shaft 101A of the intermittent gear 1o1 slides.
The drive piece 37 attached to the magazine rotation lever 1
63 to rotate this rotation lever 153. When the rotating lever 153 rotates, the disk 159 housed in the magazine is pushed by the rotating lever 163, and the disk 169 is pushed out. Also, the motor 62
The rotational driving force of gear 67 is transmitted to gear aOA, and the rotational driving force of gear 100 . Gear 99. Since it is transmitted to the gear 44A via the gear 49, the roller 81. Followed rollers esA, esB, roller 45, and driven roller 48
A and 48B rotate. Therefore, the disk 159 pushed out from the magazine first hits the rotating roller 45.
and driven rollers 48A, 48B and transferred.
Furthermore, the roller 81 and the driven roller 66A are rotating.

esB and transported. During the transfer of the disk 1θ9, the light emitted from one light emitting element 97A toward the light receiving element ea6A is blocked by the transferred disk 159 (18 in FIG. 12), and is further emitted from the light receiving element 97B toward the light receiving element 96B. Disk 16 to which the emitted light is transferred
9 (19 in Figure 12). Further, the disk 159 is transferred to the light emitting element 97A and the light receiving element 96A.
There is no light shielding due to the disk 169 between the
Figure tl. ), it is detected that the disk 169 has been moved to a predetermined position. tl. After a predetermined time, the current to the plunger solenoid 77 is cut off (tll in FIG. 12). When the power to the solenoid 77 is cut off,
Slider 78 moves in the direction of arrow X'. Therefore, the gear 6 is pulled by the projection 78B of the slider 78.
Rotating plate 62 that was prohibited from meshing with gear portion 57B of No. 7
The gear portion 62A is the gear portion 57 of the rotating gear 67.
B is engaged, and the rotating plate 62 rotates. At this time, the pin 1 drive plate 58 also rotates.

As mentioned above, the rotary plate 6 is rotated by the rotational driving force of the motor 62.
When the rotation plate 2 rotates, the drive pin 68B of the roller support plate 63 inserted into the hole of the rotation plate 62 is pushed downward by the rotation plate 62. Therefore, the roller support plate 63 is attached to the bin 63A.
, 63B as a fulcrum. When the roller support plate 63 rotates, the driven roller 65A is supported by the roller support plate 63.

esB also moves downward. Therefore, the disk 159 moves downward, and the center hole of the disk 169 fits into the protrusion of the turntable 88. Further, when the roller support plate 63 rotates, the microswitch 97C is turned on by the roller support plate 63 (tl in FIG. 12). The drive pins 63A and a3B of the roller support plate 63 are respectively sliders 70A.

The drive pin 68A of the roller support plate 63 is inserted into the inclined cam holes 71A and 71B of the roller support plate 63.

When eaB moves downward, this drive pin 68A.

Driven by ssB, sliders 70A and 7oB slide in the direction of arrow X'. Further, the slider 82 connected to the slider 70B via a connecting arm 83 slides in the direction of arrow X. Slider 70A.

When slider 70B and slider 82 slide in the arrow x' and x directions, respectively, these sliders 70A and yoB.

The substrate 84, whose position has been restricted by being clamped by the tip clamping portion 82, is rotatably supported by the oil-filled damper 85. Furthermore, since the arm 74 is connected to the slider 70B via the pin 72 installed in the slider 70B, when the slider 70B slides in the direction of arrow X', the arm 72 rotates clockwise. The arm 74 is for regulating the rotation of the clamp support plate 92. When the arm 74 rotates clockwise as described above, the clamp support plate 92 is biased by the spring 92A and rotates. Disk 159 fitted into the protrusion of table 88
The clamp plate 93 presses the hole edge of the central hole. For this reason,
The disc 169 is connected to the turntable 88 and the clamp plate 93
It is held by.

In this way, the rotating plate 62 is rotated by the rotational driving force of the motor 62.
When rotates, the driven rollers 65A and 65B move downward, so that the disk 159 moves downward and fits into the protrusion of the turntable 88, and the clamp plate 9
3 moves downward, clamps the disk 169 between the clamp plate 93 and the turntable 88, and then
can be rotated. Also, the micro switch 97C is turned off.
When a predetermined period of time has elapsed, the supply of current to the motor 62 is cut off and the rotation of the motor 52 is stopped (see tl in Fig. 12).
. ).

The loading of the disc 169 is thus completed, and the disc 169 is then played back. Reproduction of the disc 169 is performed by rotating the disc 169 by rotating the turntable 88 with the motor 89 and detecting the light emitted from the lens 90 and reflected by the disc 169 via the lens 90.

Next, the operation of ejecting the disc 159 will be explained.

When the reproduction of the disc 169 is completed or in the middle of reproduction and a disc eject is instructed (t13 in FIG. 12), the motor 52 rotates in the opposite direction after a predetermined time (t14 in FIG. 12). When the motor 52 rotates in the reverse direction, the gear 57 rotates, and the pin drive plate 68 rotates together with the gear 57.
The pin 62C of the rotating plate 62 is driven to rotate the rotating plate 62, and the gear portion 62A of the rotating plate 62 is rotated to the gear portion 57 of the gear 67.
Engage with B. Therefore, the rotating plate 62 rotates. When the rotating plate 62 rotates, the rotating plate 62 causes the drive pin e to
sB is driven upwards. Therefore, the roller support plate 6
3 rotates and the driven roller 65A.

65B moves upward, lifts the disk 169 upward, and sandwiches the disk 169 with the rotating roller 81. Further, when the drive pin eaEl is driven upward, the sliders 70A, 70B' and the slider 82 slide in the directions of the arrows x and x' to regulate the position of the board 84, and the arm 72 rotates counterclockwise. , rotate the clamp support plate 92 upward.

The disk 159 lifted upward by the driven rollers esA and esB is transported in the direction of arrow X' by the roller 81 which is rotated by the rotational driving force of the motor 52. Further, the disk 159 is connected to the roller 46 and the driven roller 48A, which are rotated by the rotational driving force of the motor 52.
, 48B and transported toward the magazine.

During this transfer, the light receiving element 96A
9 (t16 in FIG. 12), the light receiving element ee
At B, the light shielding ends (t1□ in FIG. 12), and further the light shielding of the light receiving element 96A ends (t18 in FIG. 12).

When a predetermined period of time has elapsed after the end of light shielding of the light receiving element 96A is detected, the power to the motor 52 is cut off, and the motor 52 is turned off.
rotation stops (t19 in FIG. 12).

Until the motor 52 stops rotating, the disk 169
is stored in the magazine.

Here, when the playback of another disc is instructed, the motor 3
rotates, the elevating table 21 moves upward, and the magazine moves upward. When the motor 3 receives word of mouth, the rotating body 9 also rotates,
The photocoupler 11 outputs a signal. When a predetermined number of pulses output from this photocoupler 11 are counted,
The rotation of the motor 3 is stopped, and the operations after t6 in FIG. 12 are performed.

When the reproduction of the disc is completed and the magazine eject switch (not shown) is operated (t2° in FIG. 12), the motor 3 is energized and rotates. Therefore, the lifting platform 21 rises. While the lifting platform 21 is rising,
Lock piece 25A.

One end of 25B contacts a cam piece formed on chassis 1A, 1B, and lock piece 25A, 25B contacts spring 27A, 2
It is rotated against the biasing force of 7B to unlock the magazine. When the elevator platform 21 further rises, this elevator platform 2
One end of the lever 30 supported by the chassis 1 contacts the lever 32 supported by the chassis 1A. Therefore, the lever 3o rotates as the lever 3o rises above the lifting table 21, and the contact portion 30A of the lever 3o moves upward from the surface of the lifting table 21. For this reason, a part of the magazine placed on the lifting platform 21 is removed from the contact portion 3.
0A, making it easy to take out the magazine from the magazine insertion port 38A.

Note that when the magazine is lifted by the contact portion 30A of the lever 3o, the microswitch 311 is turned off (see 2 in FIG. 12). When the lifting platform 21 rises to the top, the microswitch 29 is turned on and the motor 3 is stopped (t22 in FIG. 12).

As described above, in this embodiment, when a magazine is inserted into the magazine insertion slot 3sA, the microswitch 31 is turned on.
L, the motor 3 rotates and the lifting platform 21 descends. Lifting platform 2
1 descends, the lock pieces 25A, 25B and the cam piece 28
A and 28B are disengaged, and lock pieces 26iA and 25B are removed.
rotates to automatically lock the magazine lock plate 164. On the other hand, when ejecting the magazine, when the elevating table 21 rises to a predetermined position, the lock piece 25A.

25B and the cam pieces 28A, 28B re-engage,
The magazine is automatically unlocked and can be easily taken out.

Effects of the Invention The present invention has the above-mentioned configuration, and has a simple structure in which a lock piece is provided on the elevating table and a cam piece is provided on the chassis, and the magazine is automatically moved to the elevating table in accordance with the movement of the elevating table. It has the advantage of being able to be locked and unlocked.

[Brief explanation of drawings]

FIG. 1 is a side view of a disc autochanger according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the same, FIG.
Figure 4 is a side view of the player of the disc autochanger, Figure 5 is an exploded perspective view of the player, Figure 6 is a side view of a part of the player, and Figure 7 is a side view of the intermittent gear section of the player. Figure 8 is a perspective view of the magazine used in the disc autochanger, Figure 9 is an exploded perspective view of the magazine, Figures 10 and 11 are top views of the magazine with the bottom plate removed, and Figure 12. is an explanatory diagram of the operation of the disc autochanger. 1A11B... Chassis, 2... Board, 3... Motor, 4... Worm gear, 6... Large gear, 6A. 6B, 6C...Gear, 7...Gear, 7
A...Worm gear part, 7B...Gear part, 8...Shaft, 9...Rotating body, 10.
...Axis, 11...7 Oto coupler, 12.
...Micro Suiso f, 13A, 13B, 13C
...Bearing, 14A, 14B, 14C...
・Threaded rod, 15 A, 15 B, 15 C=・
- Small gear, 16A. 1eB, 1ec..., bearing, 17A, 17
B, 17C...Plate spring, 18A, 18B, 18
C... Protruding piece, 19A, 19B---- Guy)" Rod, 2OA, 20B-... Protruding piece, 21...
... Lifting platform, 21A... Board, 22A. 22B, 22C...Natsuto, 23A, 23B
, 23C... leaf spring, 24A, 24B...
...Guide hole, 25A. 25B...Lock piece, 26A, 26B...
・Pin, 27A, 27B...Spring, 28A, 2
8B...Cam piece, 29...Micro switch, 30...Lever, 30A...
Todoroki contact part, 31...Micro switch, 32...
... Lever, 33 ... Spring, 34 ...
...Stopper, 36...Sliding plate, 35A...
...Long hole, 35B...Roller, 35C...
... recess, ae ... spring, 37 ...
・Drive piece, 38... Frame, 38A...
Magazine insertion slot, 39... Damper, 40...
... ° Player, 41 ... Roller support plate, 4
2A, 42B...Bending portion, 43A, 43B
...Bearing, 44...Shaft, 44A
...Gear, 48°...o-ra, 46.
...Shaft, 46A, 46B...Spring, 47A. 47B... Long hole, 48A, 48B...
Driven roller, 48C...Spring, 49...
...gear, 60...chassis, soA...
...fr curved plate part, 51...Motor board, 5
2...Motor, 53...Worm gear, 54...Gear, 54A...Worm gear section, 54B...Bevel gear section, 65...
...Gear, ssA...Bevel gear part, ssB...
...Gear part, 66...Gear, 66A. 5eEl...Gear part, 57...Gear,
57A, 57B... Gear part, 58...
Bin drive plate, 58A, 58B... recess, 69.
...Shaft, 6o...Plate spring, 61...
...Washer, 62...Rotating plate, 62A...
... Gear s part, 62B, 62C ... Bin,
62D...Cam hole, 62E...Shaft, 6
3...Roller support plate, 63A. eaB...Bin, 63G, 63D...
Bending plate, 64...Shaft, 65A, 65B.
...Followed roller, 66 ...Spring, 6
Completion A, 87B... Disc insertion prevention member, es
A, esB... Drive pin, 69A, 69B-
--- Reversing spring, 70A, 70B --- Slider, 70C, Bin, 71A, 71B ---
...Cam hole, 72...Pin, 73...
・Long hole, 74...Arm, 74A...
Long hole, 76...Arm, 75A...Long hole, 76...Bin, 77...Renoid, 77A...Movable piece, 77B...Pin, 77C...Spring, 78...
Slider, 78A...Recess, 79A, 79B
...Bearing, 80 ...Shaft, 80A
...Gear, 81...Roller, 82...
...Slider, 82A...Pin, 83...
...Connection arm, BaA, 83B...hole, 8
4... Board, 85... Oil-filled damper,
86... Spring, 87... ... Player unit, 88 ... Turntable, 89 ... - Motor, 90 ... Lens, 91 ... Motor, 92 ... Clamp Support plate, 93... Clamp plate, 94...
・Lid plate, 95...Disc insertion prevention member, 96
...Printed circuit board, 96A, 96B...
・Photodetector, 97...Printed circuit board, 97A,
97B...Light emitting element, 97C...Micro switch, 98...Gear support plate, 99...
...Gear, 100...Gear, 100A,
10oB...Gear part, 101...Intermittent gear%101A...Shaft, 101B...
Stopper piece, 102... Arm, 102A.
...hole, 102B...pin, 103...
... Spring, 104 ... Arm, 10
4A... Pin, 1o6... Suffling, 160... Housing, 151... Bottom plate, 152... Partition plate, 153. ... Rotating lever, 164 ... Lock plate, 155 ...
...Groove, 156,157,158...Protrusion, 1
56A, 157A, 158A...Groove, 159
...Disk, 160...Axis, 162A
. 162B... recess, 163A, 163B...
...Space length part, 184...Locking part, 16
6... Groove section, 166... Bearing section, 16
7...Protrusion, 168...Protrusion, 17o
...Plate spring, 171 ...Spring piece, 17
2...1 Bearing part, 173...Regulation plate, 1
74...hole, 176...shaft, 176.
...Plate spring, 177...B, l, 178
・・・・・・Spring piece. Name of agent: Patent attorney Toshio Nakao and 1 other personz1
- Kyoutakuru 6 - Natsuto King ^ - l Mu Piece 35 - Kaido Sou X - Frame Body 5 - Dan 7 Mar 9 - Don Jakudofu &! - Rotating slope 101s - Glaze Ward Ward's Sasaku Figure 6

Claims (1)

[Claims] a lifting platform driving means for vertically moving an elevator platform on which a disk magazine is placed within the chassis; and a lifting platform driving means that closes when the disk magazine is placed on the elevator platform to start the elevator platform driving means. a locking piece capable of locking the disk magazine on the elevating table;
and a cam piece provided on the inner wall of the chassis, the cam piece releasing the lock of the disk magazine by the lock piece when the elevating table moves to a predetermined position. Autochanger magazine lock device.