JP3090576B2 - Disc changer device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc changer for selecting and reproducing a desired disc from a plurality of discs stored in a magazine.

[0002]

2. Description of the Related Art Conventionally, there has been proposed a disc changer apparatus for selecting and reproducing a desired disc from a plurality of discs stored in a magazine. In a disc changer device, a disc loading mechanism for taking out a disc from a magazine is indispensable.

[0003]

However, the conventional disk changer apparatus has a problem that the disk loading mechanism is complicated and the apparatus cannot be miniaturized.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a disk changer device which has a simple structure of a disk loading mechanism and can be reduced in size.

[0005]

To achieve the above object, a first aspect of the present invention is to provide a magazine in which a plurality of disks are stored at a predetermined interval, and a magazine relative to the magazine. Moving means, a chuck means slidably supported by the elevator means for holding a disk in a magazine, and a first means for controlling opening and closing of the chuck means.
, And second chuck opening / closing means for controlling opening / closing of the chuck means opened by the chuck opening / closing means in accordance with movement of the elevator means.

According to a second aspect of the present invention, there is provided a chuck body having a disk holding portion formed at a tip end thereof slidably supported by elevator means, and a disk holding at a tip end rotatably supported by the chuck body. A chuck means is constituted by a rotating plate having a portion formed thereon and a pin implanted in the rotating plate, and the pin is driven by first and second chuck opening and closing means to control opening and closing of the chuck means. It is like that.

According to a third aspect of the present invention, there is provided a lifter which contacts the disk and positions the disk only when the disk is loaded by the chuck means.

According to a fourth aspect of the present invention, a roller is provided at the tip of the lifter to contact the disk.

According to a fifth aspect of the present invention, there is provided a cam gear rotatably supported by elevator means, and a drive source for driving the cam gear to rotate, and the sliding of the chuck means in conjunction with the rotation of the cam gear. The operation, the opening and closing operation of the chuck means, and the rotating operation of the disk positioning lifter by the chuck means are performed.

According to a sixth aspect of the present invention, there is provided a turntable provided on an elevator means, a clamper rotatably supported by the elevator means and pressing a disc against the turntable, and releasing the disc from being pressed by the clamper. And a clamper presser spring that applies a biasing force to the clamper when it is pressed.

According to a seventh aspect of the present invention, one end of a lever is pivotally supported on the side of the elevator means on the magazine side.
The other end of the lever is pivotally supported on a fixed portion, and the lever prevents the disc from jumping out of the magazine.

[0012]

According to the first aspect of the present invention, when the disk in the magazine is gripped by the chuck means and pulled out, or when the disk is stored in the magazine, the chuck means is opened and closed by the first chuck opening and closing means. Since the chuck means is opened and closed by the second chuck opening and closing means using the movement of the elevator means, the configuration of the disk loading mechanism is simplified, and the apparatus can be downsized.

[0013] In the second invention, since the opening and closing operation of the chuck means by driving the pin of the rotating plate constituting the chuck means in the first and second chuck opening and closing means, the configuration of the switch catcher click means Can be simplified.

In the third aspect of the invention, the disc is positioned by pressing the disc with the lifter during disc loading, so that the disc loading operation can be ensured.

In the fourth aspect, since the roller is provided at the tip of the lifter, it is possible to prevent the disk from being damaged when the lifter presses the disk.

In the fifth aspect of the present invention, the sliding operation of the chuck means, the opening / closing operation, and the rotating operation of the lifter are performed by the rotating operation of the cam gear, so that the timing of each operation can be prevented from being shifted.

In the sixth aspect, when the clamper does not clamp the disk, the biasing force is applied to the clamper by the clamper pressing spring, so that it is possible to prevent the clamper from generating noise due to vibration or the like.

In the seventh aspect of the present invention, since the lever pivotally supported by the elevator means and the fixed portion is disposed near the opening of the magazine, the lever can prevent the disk from jumping out of the magazine. .

[0019]

An embodiment of the present invention will be described below with reference to the drawings. 1 is a plan view of a disc changer device according to an embodiment of the present invention, FIG. 2 is a front view of the device, FIG. 3 is a rear view of the device, FIG. 4 is a right side view of the device, and FIG. 6 is a bottom view of the same device. These figures show the entire apparatus, and details of the inside will be described with reference to FIG. In FIG. 7, 1
Is an L-shaped upper chassis in which the left side chassis 2 is integrally formed, and 3 is a front chassis screwed to the front of the upper chassis 1. The front chassis 3 has a cutout 4 serving as a magazine insertion opening. Is formed. Reference numeral 5 denotes a right side chassis screwed to the right side of the upper chassis 1, and reference numeral 6 denotes a rear chassis screwed to the back of the upper chassis 1, and each of the above chassis forms a box-shaped chassis. 7
Reference numeral denotes an oil damper attached to the left side chassis 2 and the right side chassis 5 by a holder 8. Reference numeral 9 denotes an elevator cam plate slidably supported on the inner surface side of the rear chassis 6. The pins 9a planted on the elevator cam plate 9 are inserted into the elongated holes 10 of the rear chassis 6, and An elevator cam plate 9 is slidably supported by the rear chassis 6. Reference numeral 11 denotes a step-like cam groove formed in the elevator cam plate 9 so as to be inclined. Reference numeral 12 denotes a projection formed in the elevator cam plate 9.
Are formed.

FIG. 8 shows a member fixed to a lower portion of the magazine insertion slot of the chassis. In FIG. 8, 20
Is a magazine guide plate, and 21 is a board which is screwed to the chassis. This board 21 is arranged below the magazine guide plate 20. Reference numeral 22 denotes an elevator cam plate slidably supported on the inner surface side of the front chassis 3. Pins 22a implanted on the elevator cam plate 22 are inserted into elongated holes 23 (see FIG. 7) of the front chassis 3. By being inserted, the elevator cam plate 22 is slidably supported by the front chassis 3. Numeral 24 denotes a stepped cam groove formed in the elevator cam plate 22 so as to be inclined.

FIG. 9 is a view of the mechanism formed on the lower surface of the magazine guide plate 20 shown in FIG. 8 as viewed from below. In FIG. 9, reference numeral 25 denotes an elevator drive lever rotatably supported on the lower surface of the magazine guide plate 20. A pin 26 implanted at one end of the elevator drive lever 25 corresponds to the elevator cam plate 9 shown in FIG. Is inserted into the long hole 13 of the projecting piece 12. For this reason, when the elevator drive lever 25 rotates, the elevator cam plate 9 is driven to slide along the inner surface of the rear chassis 6. Reference numeral 27 denotes a magazine lock lever rotatably supported on the lower surface of the magazine guide plate 20. A magazine lock pin 28 implanted at one end of the magazine lock lever 27 is formed on the magazine guide plate 20. Magazine guide plate 20 through hole 29
Protruding from the upper surface of the.

Reference numeral 30 denotes an elevator board screwed to the lower surface of the magazine guide plate 20.
A magazine contact piece 31 is slidably supported on the upper surface of the “0”. This magazine contact piece 31 is used for the magazine guide plate 20.
And protrudes from the upper surface of the magazine guide plate 20 through the hole 32. Reference numeral 33 denotes a rack plate slidably supported on the lower surface of the elevator board 30.
The projection 34 has a recess 35 which engages with a pin 34A implanted at the other end of the elevator drive lever 25.
Are formed. The projection 34 formed on the rack plate 33 is engaged with the elevator cam plate 22. 36 is an elevator motor mounted on the lower surface of the elevator board 30, 37 is a worm gear fixed to the rotating shaft of the motor 36, and 38 to 41 are gears rotatably supported on the lower surface of the elevator board 30. The rotational driving force of the motor 36 is: worm gear 37 → gear 38 → gear 39 → gear 40
→ The gear is transmitted to the rack plate 33 via the gear 41, and the rack plate 33 slides. When the rack plate 33 slides, the elevator cam plate 22 that engages with the rack plate 33 slides, and the pin 34A that engages with the rack plate 33 is driven to rotate the elevator drive lever 25. The elevator cam plate 9 which engages with the elevator drive lever 25 via the pin 26 also slides. Reference numerals 42, 43, and 44 are plates attached to the elevator board 30, and a photocoupler 45 is attached to the plate 44. Reference numeral 46 denotes a slit piece formed by bending a part of the elevator cam plate 22, and the slit piece 46 is formed with slits 47 at equal intervals. The photocoupler 45 detects the position of the elevator cam plate 22 by detecting the slit 47 of the slit piece 46.

FIG. 10 shows an elevator section which moves up and down in the chassis. The elevator unit incorporates a chuck mechanism for taking out a single disk from the magazine and storing the reproduced disk in the magazine again, a player mechanism for reproducing the disk, and the like. In FIG. 10, reference numeral 50 denotes a player board, and pins 51 implanted on the player board 50
The two pins 53 inserted into the stepped cam grooves 24 of the elevator cam plate 22 and the elongated holes 52 formed in the front chassis 3 and implanted in the player substrate 50 are connected to the two cam plates 9 of the elevator cam plate 9. It is inserted into two stepped cam grooves 11 and two long holes 54 formed in the rear chassis 6, respectively. Reference numeral 55 denotes a turntable rotatably supported by the player substrate 50.
The disc is placed on the. Reference numeral 56 denotes an optical pickup slidably supported by the player substrate 50. Reference numeral 57 denotes a support plate screwed to the player substrate 50, and a rack plate 58 is slidably supported by the support plate 57. A chuck engagement piece 59 is formed integrally with the rack plate 58. Reference numeral 60 denotes a chuck opening / closing plate serving as first chuck opening / closing means, and is slidably supported on the upper surface of the player substrate 50. The shape of the chuck opening / closing plate 60 is rectangular, and a rectangular hole 61 is formed in the center.

Reference numeral 62 denotes a substrate which is screwed to the player substrate 50. The substrate 62 is located above the player substrate 50. Reference numeral 63 denotes a clamp arm rotatably supported on a substrate 62 by a shaft 64.
A clamper 66 is held by a holding plate 65 at 3.
The clamper 66 is for pressing a disk placed on the turntable 55 from above. Reference numeral 67 denotes a guide shaft attached to the substrate 62.
7, a chuck 68 serving as a chuck means is slidably supported. 151 is a clamper pressing spring which is fixed to the lower surface of one end board 62, and preload free end is in contact with the upper surface of the clamper 66 in the clamper holding spring 151 of this <br/> the clamper 66 when raised, the clamper 66 It prevents vibration and noise. The clamper holding spring 151 is
Does not contact the clamper 66 when the clamper 66 is held between the disk between the turntable 55 is lowered, without adding a pressing force to the clamper 66, in this state, below the substrate 62 from the magazine It has a function of preventing another located disk from jumping out. 1
Reference numeral 52 denotes a lever whose one end is pivotally supported by the side surface of the substrate 62 and whose other end is pivotally supported by a long hole of the upper chassis 1. Since this lever 152 is located near the opening of the magazine, the lever 152 It has a function of preventing jumping out of the magazine.

FIG. 11 shows members to be incorporated on the lower surface of the player substrate 50 from below. In FIG. 11, reference numerals 70 and 71 denote levers whose center portions are rotatably supported on the lower surface of the player substrate 50.
Opposite ends of the 71 are connected via a pin 71a. The free ends of the levers 70 and 71 are connected to the chuck opening / closing plate 60, respectively. 72 is a player substrate 50
A worm gear 73 is attached to a rotating shaft of the loading motor 72. Reference numerals 74, 75, 76 denote gears, and 77 denotes a cam gear. The rotational driving force of the loading motor 72 is such that the worm gear 73 → the gear 74 → the gear 75 → the gear 76
To rotate the cam gear 77. As shown in FIG. 12, a cam 78 and a cam groove 79 are formed on the back surface of the cam gear 77, and a pin 70a implanted in the lever 70 is inserted into the cam groove 79. Therefore, when the cam gear 77 rotates, the levers 70, 7 connected to each other are connected.
1 rotates, and the chuck opening / closing plate 60 slides on the upper surface of the player substrate 50. Reference numeral 80 denotes a sliding piece slidably supported on the lower surface of the player substrate 50, and the tip of the sliding piece 80 is in contact with the cam surface 81 of the cam gear 77. 82
Is a lifter rotatably supported by a bent piece 83 of the player substrate 50, and a roller 82A is rotatably supported at the tip of the lifter 82. Lifter 82
And the sliding piece 80 are connected by a pin 84.
Therefore, when the cam gear 77 rotates, the sliding piece 80 slides, and the lifter 82 rotates. This lifter 82
When the disc is pulled out of the magazine by the chuck 68 and when the disc is stored in the magazine, the disc is protruded to the upper surface side of the player substrate 50 to push up the lower surface of the disk and lightly press the disk against the lower surface of the substrate 62. A resin plate is attached to the lower surface of the substrate 62, and the disk is pressed against the plate, so that the disk is not damaged. As described above, since the disc is pushed up by the lifter 82 and pressed against the lower surface of the substrate 62, the disc can be positioned during loading, and the disc can be smoothly pulled out and stored. Note that, in the playback state of the disc, the leading end of the lifter 82 does not descend to contact the lower surface of the disc. The lifter 82 also has a function of preventing the disk from jumping out of the magazine again after the disk is inserted into the magazine.

Reference numeral 55 denotes a turntable; 85, a spindle motor for rotating the turntable 55; 56, an optical pickup; 86, a feed screw for moving the optical pickup 56; 87, a guide shaft for guiding the optical pickup 56; Is a traverse motor attached to the lower surface of the player substrate 50, and the traverse motor 88
A worm gear 89 is attached to the rotation shaft of the worm. 9
Reference numerals 0 and 91 denote gears. The rotational driving force of the traverse motor 88 is transmitted to the feed screw 86 via the worm gear 89 → gear 90 → gear 91, and the feed screw 86 rotates. When the feed screw 86 rotates, the optical pickup 56 meshing with the feed screw 86 is guided by the guide shaft 87 and slides.

Reference numeral 57 denotes a support plate screwed to the player substrate 50, and a rack plate 58 is slidably supported on the support plate 57. Reference numerals 92, 93, and 94 denote gears rotatably supported by the support plate 57, and the gears 94 mesh with the rack plate 58. Reference numeral 95 denotes a guide attached to the lower surface of the player substrate 50, and a load rack 96 is slidably supported by the guide 95. An engagement piece 97 is formed integrally with the load rack 96, and a rack meshing with the gear 92 is formed on the rear surface of the load rack 96. Reference numeral 98 denotes a cam lever whose one end is rotatably supported by the player substrate 50. The cam lever 98 has a hole 99 formed therein. 100,1
Reference numeral 01 denotes a lever whose one end is rotatably supported by the cam lever 98. A spring 102 is locked between the free ends of the levers 100 and 101, and the levers 100 and 101 are separated from each other by the elastic force of the spring 102. It is biased in the approaching direction. Reference numeral 103 denotes a pin implanted at an eccentric point on the lower surface of the cam gear 77.
8 and inserted between the lever 100 and the lever 101. Reference numeral 104 denotes a pin implanted at the free end of the cam lever 98. The pin 104 is engaged with the engagement piece 97 of the load rack 96. Therefore, when the cam gear 77 rotates, the cam lever 9 connected by the pin 103 is rotated.
8 rotates, and the load rack 96 connected to the cam lever 98 slides. When the load rack 96 slides,
Gear 9 meshing with the rack formed on the load rack 96
2 rotates, the rotational driving force is transmitted through the gears 93 and 94, and the rack plate 58 meshing with the gear 94 slides. The chuck engaging piece 59 of the rack plate 58 is a chuck 68
, The chuck 68 is guided by the guide shaft 67 and slides in conjunction with the sliding operation of the rack plate 58.

FIGS. 13, 14 and 15 show a disk magazine used in the disk changer device of the above embodiment. 13, 14, and 15, 200
Denotes a magazine, 201 denotes a box-shaped case, and the lower surface and one side surface of the case 201 are open. Reference numeral 202 denotes a cover plate for closing the lower surface opening of the case 201, and the cover plate 202 is screwed to the case 201 with screws 203. Reference numeral 204 denotes a partition plate stacked in the case 201, and a thick portion 204 a is partially formed on an outer peripheral portion of the partition plate 204, and a plurality of the partition plates 204 are sequentially formed from the lower surface opening of the case 201. When the partition plate 204 is inserted and the partition plates 204 are stacked in the case 201, the thick portions 204a of the partition plates 204 come into contact with each other, and a gap is formed between the partition plates 204 for accommodating a disk. 205 is a cover plate 204
The L-shaped groove 206 formed on the outer surface of the is a linear groove. When this magazine 200 is inserted from the magazine insertion slot (the cutout 4 of the front chassis 3) of the disc changer device, the magazine contact piece 31 protruding from the upper surface of the magazine guide plate 20 (see FIG. 9) is attached to the cover plate 202 of the magazine. The groove 206 enters, and the magazine locking lever 27 enters the L-shaped groove 205 of the cover plate 202. When the magazine 200 is further inserted, the magazine contact piece 31 hits the end face of the groove 206 and presses the magazine contact piece 31 against the urging force of the spring 31A. When the magazine 200 is inserted to a predetermined position, the magazine lock lever 27 is rotated by the biasing force of the spring, and the magazine lock lever 2 is rotated.
The magazine lock pin 28 enters the bent portion of the L-shaped groove 205, and the magazine 200 is locked at a predetermined position.

FIG. 16 shows the structure of the chuck 68. In FIG. 16, reference numeral 110 denotes a chuck main body, and a distal end portion of the chuck main body 110 is formed with a plate-shaped disk holding portion 111. 112 is the chuck body 110
The guide shaft 67 is inserted into the hole 112, and the chuck body 110 slides while being guided by the guide shaft 67. Reference numeral 113 denotes a bearing unit formed integrally with the lower end of the other end of the chuck body 110.
A rotating plate 114 is rotatably supported by a shaft 115 on the shaft 3. Reference numeral 116 denotes a disk holding portion provided at the tip of the rotating plate 114. Reference numeral 117 denotes a pin formed on the rotating plate 114, and 118 denotes a chuck body 110 by a shaft 119.
The driving piece is rotatably supported by the
As shown in FIG. 17, a concave portion 120 is formed in the pin 8 so as to contact the pin 117. Reference numeral 121 denotes a spring having one end locked to the projection 122 of the chuck body 110 and the other end locked to the hole 123 of the driving piece 118. The driving piece 118 is supported by the shaft 119 by the urging force of the spring 121. In FIG. 16 (A), it is urged to rotate clockwise. 124 is a first locking portion formed on the driving piece 118, 125 is a second locking portion formed on the driving piece 118, and the first and second locking portions 124 and 125 are for opening and closing the chuck. It engages with the plate 60. Chuck opening / closing plate 6
When 0 slides, the driving piece 118 rotates around the shaft 119 as a fulcrum. In the state shown in FIG. 16A, when the driving piece 118 rotates counterclockwise, the driving piece 118
The pin 117 is driven by the edge of the concave portion 120, and the rotating plate 114 is rotated clockwise about the shaft 115 to open the space between the disk holding portions 111 and 116. On the other hand, when the driving piece 118 rotates clockwise due to the urging force of the spring 121, the rotating plate 114 rotates counterclockwise about the shaft 115, and the disk holding portions 111 and 116 approach each other. . As described above, by rotating the driving piece 118, the disk holding portions 111 and 116 are opened and closed, and the disk is held and opened by the disk holding portions 111 and 116.

FIG. 18 shows the turning operation of the driving piece 118 accompanying the sliding operation of the chuck opening / closing plate 60. When the chuck opening / closing plate 60 slides, the chuck opening / closing plate 60 and the driving piece 1
18 is engaged with the first locking portion 124, and the first locking portion 1
24 is pushed by the chuck opening / closing plate 60 and the driving piece 11
8 rotates counterclockwise. When the chuck opening / closing plate 60 further moves, the chuck opening / closing plate 60 and the first locking portion 124 are disengaged from each other, and the chuck opening / closing plate 60 and the second locking portion 125 are engaged with each other. The stopper 125 is pushed by the chuck opening / closing plate, and the driving piece 118 further rotates in the counterclockwise direction.

FIG. 19 shows a left side surface 62A of the substrate 62 (FIG. 10).
2) shows a sliding plate 132 serving as a second chuck opening / closing means slidably supported by pins 130 and 131. The pin 117 of the chuck 68 is attached to the sliding plate 132.
A cam hole 133 that engages with the projection 134 of the clamp arm 63 (see FIG. 10) is formed. Reference numeral 136 denotes an arm rotatably supported by a pin 137 on the left side surface 62A of the substrate 62. A pin 138 implanted at one end of the arm 136 is inserted into an elongated hole 139 formed in the sliding plate 132. ing. 140 is a hole formed at the other end of the arm 136.

FIGS. 20, 21 and 22 show the control plate 143 slidably and rotatably supported on the indicator plate 57 by pins 141 and 142 of the support plate 57 (see FIG. 10). The pins 141 and 142 are inserted into holes 144 and 145 formed in the control plate 143. The control plate 143 has a driving piece 146 pressed by the rack plate 58.
And a pin 147 are provided. This pin 147
The holes 140 of the arm 136 of the sliding plate 132 and the holes 148 formed in the left side chassis 2 (FIG.
7 (see FIG. 7). As shown in FIGS. 20A and 20B, when the rack plate 58 approaches the left side chassis 2, the driving piece 146 of the control plate 143 is pushed by the rack plate 58, and the control plate 143 is moved to the left side. It moves in a direction approaching the chassis 2. When the control plate 143 further moves, the pins 147 of the control plate 143
0 and the hole 148 of the left side chassis 2 (FIG. 2).
1 (A), (B)). In this state, the elevator section shown in FIG. 10 slightly moves vertically in the chassis.
When the elevator unit moves in the vertical direction, the control plate 143 provided in the elevator unit also moves in the vertical direction. However, since the pin 147 is inserted into the hole 148 of the left side chassis 2, the control plate 143 FIG. 22 as a fulcrum
22A, the arm 136 is driven by the pin 147 to rotate as shown in FIG. When the arm 136 rotates, the sliding plate 132 shown in FIG. 19 slides, and the pin 117 of the chuck 68 that engages with the cam hole 133 of the sliding plate 132 is driven, so that the chuck 68
The disk holding section 116 of FIG. 1 rotates greatly, and the disk holding sections 111 and 116 are greatly opened. The state in which the chuck 68 is largely opened is a state in which the disk is reproduced.

Next, the disk loading operation in the above embodiment will be described. When the magazine 200 is inserted from the magazine insertion slot (the notch 4), the magazine is locked in a predetermined position by the magazine lock pin 28 (see FIG. 9). When the magazine is locked at a predetermined position, the loading mechanism operates, and one of the plurality of disks in the magazine is pulled out.

In FIG. 11, the loading motor 72
Is rotated, the rotational driving force is applied to the gears 74, 75, 76.
And the cam gear 77 rotates. When the cam gear 77 rotates, the cam lever 98 is rotated about one end by the pin 103 of the cam gear 77. Since the pin 104 implanted at the free end of the cam lever 98 is engaged with the load rack 96, when the cam lever 98 rotates, the load rack 96 slides. This load rack 96
, The gear 92 meshing with the rack of the load rack 96 rotates, and the rotational driving force of the gear 92
3, 94 and the rack plate 57 meshing with the gear 94
Slides. Since the chuck engaging piece 59 of the rack plate 57 and the chuck 68 are engaged, the chuck 68 is guided by the guide shaft 67 and moves in the magazine direction as the rack plate 57 slides. Further, with the rotation of the cam gear 77, the pin 70a of the lever 70 inserted into the cam groove 79 is driven, and the levers 70 and 71 connected to each other rotate. The free ends of the levers 70 and 71 are connected to the chuck opening / closing plate 60, and when the chuck 68 approaches the magazine, the chuck opening / closing plate 60 slides in the direction approaching the chuck 68. When the chuck opening / closing plate 60 slides, the driving piece 118 of the chuck 68 is moved by the chuck opening / closing plate 60.
Is driven, and the driving piece 118 rotates. When the driving piece 118 is rotated, the pin 117 is driven by the edge of the concave portion 120 of the driving piece 118, and the rotating plate 114 of the chuck 68 is rotated, so that the disk holding section 111 and the disk holding section 116 are rotated.
Opens between. With the disc holding portions 111 and 116 opened, the chuck 68 enters the magazine. When the chuck 68 moves to a predetermined position, the chuck opening / closing plate 60 slides in the opposite direction, so that the driving piece 118 rotates by the urging force of the spring 121. For this reason, the disc holding portion 11
6 approaches the disk holding portion 111, and holds the outer peripheral portion of the disk in the magazine between the disk holding portions 111 and 116.

FIGS. 23A and 23B show a state in which the chuck 68 clamps the disk 150. FIG. The chuck 68 holding the disk moves in a direction away from the magazine, and pulls the held disk out of the magazine. The chuck 68 slides in the direction of the left side chassis 2 while holding the disk. As the chuck 68 further moves, the control plate 143 is driven, and the pins 147 of the control plate 143 are inserted into the holes 140 of the arm 136 and the holes 148 of the left side chassis 2. When the chuck 68 moves further, a switch (not shown) operates to detect that the chuck 68 has reached the end. In this state, the pins 117 of the chuck 68 are inserted into the cam holes 133 of the sliding plate 132. Here, the chuck opening / closing plate 60 moves (the direction of the arrow in FIG. 18). When the chuck opening / closing plate 60 moves, a driving piece 118 of the chuck 68 is driven by the chuck opening / closing plate 60, and a pin 117 of the chuck 68 is driven by the driving piece 118. The space between the holding portions 111 and 116 is opened (see FIG. 23C). Thereafter, since the elevator moves a little in the vertical direction, as shown in FIG. 22, the arm 136 rotates, and the sliding plate 132 connected to the arm 136 by the pin 138 slides. Since the pin 117 of the chuck 68 is inserted into the cam hole 133 of the sliding plate 132, when the sliding plate 132 slides, the pin 117 of the chuck 68 is driven, and the disk holding portion 11 of the chuck 68 is moved.
The space between 1 and 116 is further opened (see FIG. 23D).
Further, since the projection 134 of the clamp arm 63 is engaged with the cam hole 135 of the slide plate 132, the clamp arm 63 is rotated by the sliding operation of the slide plate 132, and the center hole of the disc is clamped. It is pressed onto the turntable 55 by 66. In this state, the reproducing operation of the disc is performed.

When the reproducing operation is completed, the operation reverse to the above operation is performed, and the disk is held by the chuck 68 and stored in the magazine.

As described above, in the above embodiment, the driving piece 1 of the chuck 68 is moved by the sliding operation of the chuck opening / closing plate 60.
18, the pin 117 is driven to open and close the chuck 68, and as shown in FIGS. 20, 21 and 22, the pin 1 is moved by using the vertical movement of the elevator mechanism.
17 drives the chuck 68 to open and close, so that a disk loading mechanism can be easily configured.

Further, according to the above-described embodiment, when the disc is loaded, the lifter 82 is protruded upward to push up the disc and to position the disc, so that the operation of storing the disc in the magazine can be performed smoothly. Further, since the roller 82A is rotatably supported at the tip end of the lifter 82 and the roller 82A is brought into contact with the disk, the disk is not damaged, and the disk is ejected from the magazine by the lifter 82. Can be prevented.

In the above embodiment, the chuck 68 is slid in conjunction with the rotation of the cam gear 77,
The opening / closing operation of the chuck 68 is performed by sliding the chuck opening / closing plate 60 and the lifter 82 is further rotated, so that the timing of each operation does not shift.

Further, in the above embodiment, since the clamper pressing spring 151 for urging the clamper 66 is provided, when the disk is not clamped by the clamper 66, the clamper 66 moves due to external vibrations and the like, and a sound is generated. Can be prevented. The clamper holding spring 151 is
No urging force is applied during disc clamping.

In the above embodiment, one end of the lever 152 is pivotally supported on the magazine side of the substrate 62 constituting the elevator mechanism, and the other end of the lever 152 is inserted into the elongated hole of the upper chassis 1. The vicinity of the opening of the magazine is closed by a lever 152, so that the disc 152 can be prevented from jumping out of the magazine.

[0042]

According to the first aspect of the present invention, the first chuck opening / closing means opens and closes the chuck means when the disk is held by the chuck means and pulled out of the magazine or stored in the magazine. And
Since the opening / closing of the chuck means is performed by the second chuck opening / closing means using the elevator means, there is an advantage that the configuration of the disk loading mechanism is simple and the apparatus can be miniaturized.

According to the second aspect, since the chuck is opened and closed by driving the pins provided on the chuck by the first and second chuck opening and closing means, there is an advantage that the structure of the chuck is simplified.

According to the third aspect, since the positioning of the disk is performed by pressing the disk with the lifter, there is an advantage that the disk loading operation is ensured.

According to the fourth aspect, since the roller at the tip of the lifter comes into contact with the disk, there is an advantage that damage to the disk surface can be prevented.

According to the fifth aspect, since the operation of the chuck means and the lifter is performed in conjunction with the operation of the cam gear, there is an advantage that the timing of each operation is not shifted, and the operation is ensured.

According to the sixth aspect, since the clamper is urged by the clamper holding spring, there is an advantage that movement of the clamper and generation of abnormal noise can be prevented.

According to the seventh aspect of the present invention, there is an advantage that the discs in the magazine can be prevented from jumping out by the levers respectively supported by the elevator means and the fixing portion.

[Brief description of the drawings]

FIG. 1 is a plan view of a disc changer device according to an embodiment of the present invention.

FIG. 2 is a front view of the device.

FIG. 3 is a rear view of the device.

FIG. 4 is a right side view of the device.

FIG. 5 is a left side view of the device.

FIG. 6 is a bottom view of the device.

FIG. 7 is an exploded perspective view of a chassis of the apparatus.

FIG. 8 is an exploded perspective view of a magazine guide of the apparatus.

FIG. 9 is an exploded perspective view of an elevator driving unit of the same device.

FIG. 10 is an exploded perspective view of an elevator section of the device.

FIG. 11 is an exploded perspective view of a player substrate part of the device.

12A is a plan view of a cam gear of the device, and FIG. 12B is a bottom view of a cam gear of the device.

FIG. 13 is a plan view of a disk magazine used in the apparatus.

FIG. 14 is a front view of a disk magazine used in the apparatus.

FIG. 15 is a bottom view of a disk magazine used in the apparatus.

FIG. 16A is a side view of the chuck of the same apparatus. FIG. 16B is a plan view of the chuck of the same apparatus.

FIG. 17 is a front view of a driving piece in a chuck of the apparatus.

FIG. 18 is a diagram illustrating the operation of a driving piece in a chuck of the apparatus.

FIG. 19 is a front view of a sliding plate of the apparatus.

FIGS. 20A and 20B are explanatory diagrams of the operation of a control plate of the apparatus.

FIGS. 21A and 21B are explanatory diagrams of the operation of a control plate of the apparatus.

FIGS. 22A and 22B are explanatory diagrams of the operation of the control plate of the apparatus.

FIG. 23 (A), (B), (C) and (D) are views for explaining the operation of the chuck of the apparatus.

[Explanation of symbols]

Reference Signs List 20 Magazine guide plate 30 Elevator substrate 50 Player substrate 55 Turntable 60 Chuck opening / closing plate (part of first chuck opening / closing means) 66 Clamper 68 Chuck 77 Cam gear 82 Lifter 82A Roller 110 Chuck body 111, 116 Disk holding portion 114 Rotation Plate 117 Pin 132 Sliding plate (part of first chuck opening / closing means) 150 Disk 151 Clamper holding spring 152 Lever 200 Magazine

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Shinichi Inoda 4-1-1 Tsunashima Higashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Inside Matsushita Communication Industrial Co., Ltd. (72) Inventor Shigeo Takemura Kohoku, Yokohama-shi, Kanagawa Matsushita Communication Industrial Co., Ltd. (3-1) Matsushita Communication Industrial Co., Ltd. (72) Inventor Kenichi Okamoto Matsushita Communication Industrial Co., Ltd. 3-1-1 Tsunashima Higashi, Kohoku-ku, Yokohama, Kanagawa Yoshihiko Ta, 3-1-1 Tsunashima Higashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Matsushita Communication Industrial Co., Ltd. (58) Field surveyed (Int.Cl. ⁷ , DB name) G11B ^7/ 22-17/30

Claims (7)

(57) [Claims] A magazine accommodating a plurality of disks at a predetermined interval; an elevator means moving relatively to the magazine; and a slidable support in the magazine supported by the elevator means. A disk changer comprising: chuck means for holding a disk; first chuck opening / closing means for controlling opening / closing of the chuck means; and second chuck opening / closing means for controlling opening / closing of the chuck means with movement of the elevator means. apparatus. 2. A chuck body in which a chuck means is slidably supported by an elevator means and a disc holding portion is formed at a front end portion, and a disc holding portion rotatably supported by the chuck body and is provided at a front end portion. And a pin implanted in the rotating plate, wherein the pin is driven by first and second chuck opening and closing means to control opening and closing of the chuck means. The disc changer device according to claim 1. 3. The disc changer device according to claim 1, further comprising a lifter which contacts the disc and positions the disc only when the disc is loaded by the chuck means. 4. The disc changer device according to claim 3, further comprising a roller at the tip of the lifter, the roller contacting the disc. 5. A cam gear rotatably supported by an elevator means, and a drive source for driving the cam gear to rotate, wherein the sliding operation of the chuck means and the opening / closing of the chuck means interlocked with the rotation operation of the cam gear. 2. The disc changer device according to claim 1, wherein the disc changer device performs an operation and a rotation operation of a disc positioning lifter by the chuck means. 6. A turntable provided on the elevator means, a clamper rotatably supported by the elevator means and pressing a disk against the turntable, and a step of releasing the disk from being pressed by the clamper. 2. The disc changer device according to claim 1, further comprising a clamper holding spring for applying a biasing force to the clamper. 7. One end of a lever is pivotally supported on the side of the elevator means on the magazine side, and the other end of the lever is pivotally supported on a fixed portion, so that the lever prevents the disc from jumping out of the magazine. The disc changer device according to claim 1, wherein