JP2677046B2 - 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 device for taking out a predetermined disc from a plurality of discs stored in a magazine and reproducing the disc.

[0002]

2. Description of the Related Art FIG. 14 schematically shows a main part of a conventional disc changer device. In FIG. 14, 100
Is a tray on which the disc 101 is placed, and the tray 100 on which the disc 101 is placed is pulled out from the magazine in the direction of the arrow. 102 is a hole formed on the bottom surface of the tray 100. Reference numeral 103 is a turntable for rotationally driving the disk 101, and the turntable 103 is fixed to a rotary shaft 105 of a motor 104. An optical pickup 106 reads data recorded on the disc 101, and the optical pickup 106 is movable in the radial direction of the disc 101. Reference numeral 107 denotes a clamper that presses the disc 101 onto the turntable 103.

In FIG. 14, when the tray 100 pulled out from the magazine in the direction of the arrow is moved to a predetermined position, the tray 100 is moved downward and the disc 101 placed in the tray 100 is turnedtable 103. The optical pickup 106 is sandwiched between the optical pickup 106 and the clamper 107, and is rotationally driven by the rotational driving force of the motor 104.
The data recorded on the disc 101 can be read. It should be noted that the components such as the turntable 103, the motor 104, and the optical pickup 106 are inserted into the holes 102 of the tray 100 from below without lowering the tray 100 transferred from the magazine to a predetermined position and placed on the tray 100. Disc 101 with tray 1
There is also a structure in which it is lifted up from 00 and pressed by the clamper 107.

[0004]

However, in the above-mentioned conventional disc changer device, the tray 100 must be formed with the large hole 102 into which the turntable 103, the optical pickup 106 and the like can be inserted.
There was a problem that the mechanical strength of No. 00 became weak. In particular, even if the optical pickup 106 is located at a position where the data on the outermost track of the disc 101 can be read, the larger hole 102 must be formed in the tray 100 in order for the optical pickup 106 to penetrate the hole 102 of the tray 100. In order to increase the mechanical strength of the tray 100, if the edge portion of the hole 102 is formed, the tray 100
The size of the disk is inevitably large, which in turn increases the size of the magazine, resulting in a large disk changer device.

The present invention solves the above-mentioned conventional problems, and the size of the holes formed in the tray is small, the mechanical strength of the tray is strong, and the size of the tray can be reduced. The disc changer device is miniaturized.

[0006]

The present invention SUMMARY OF], in order to achieve the above object, a tray disk on the bottom hole is formed in the bottom surface is placed, a magazine plurality accommodating the tray, A tray transfer means for taking out the tray from the magazine and transferring it to a predetermined position, and the disk.
The turntable that rotates and the above turntable
The above-mentioned disc is moved by the attraction force of the magnet
The clamper that is clamped on the turntable and this clan
Removably hold the par and predetermined by the tray transfer means
To the above-mentioned tray through the above-mentioned hole of the above-mentioned tray.
Transfer the ramper and move the disc to the turntable.
Equipped with a clamper transfer means to be attached to or detached from
Then, the clamper moves the disc to the turntable.
The clamper transfer means when clamped on the
It is characterized by being detached from the computer .

[0007]

The present invention has the above-described structure, and the clamper is inserted from the lower surface side into the hole of the tray which is pulled out from the magazine and moved to a predetermined position by the tray transfer means.
The disk placed on the tray is moved to the turntable by the clamper. The disc moved by the clamper is nipped by the turntable and the clamper and driven to rotate. As described above, in the present invention, since the size of the hole formed on the bottom surface of the tray may be such that the clamper can be inserted, the mechanical strength of the tray can be increased and the size of the tray can be almost a disc. Since it can be made the same size, it is possible to downsize the magazine,
As a result, the disc changer device can be downsized.

[0008]

FIG. 1 shows the appearance of a disk changer device equipped with a disk player device for a compact disk according to an embodiment of the present invention. In FIG.
Reference numeral 1 denotes a box-shaped housing, and a magazine insertion opening is formed on the left side of the front part 2 of the housing 1. Reference numeral 3 denotes a sliding lid supported on the front part 2 of the housing 1 so as to be slidable left and right. The sliding lid 3 opens and closes the magazine insertion opening. FIG. 1 shows a state in which the sliding cover 3 is slid to the left of the front part 2 to close the magazine insertion opening.

2 and 3 show a magazine for storing a plurality of CDs. 2 and 3, reference numeral 4 denotes a box-shaped magazine main body, and reference numeral 5 denotes an opening formed on one side surface of the magazine main body 4. A plurality of guide pieces 7 for guiding the tray 6 are formed in parallel on an inner wall surface in the magazine body 4. A concave portion 8 for storing a CD is formed on the upper surface of the tray 6, and a hole 9 is formed in the center of the concave portion 8. Reference numeral 10 denotes a locking piece formed on the front edge of the tray 6. The claw portion of the tray pull-out mechanism is locked to the locking piece 10 to pull out the tray 6 from the inside of the magazine main body 4, or to pull out the tray 6 from the magazine. It is stored in the main body 4. 1
1 is a notch formed in the magazine body 4. In FIG. 1, the slide cover 3 is slid rightward to open the magazine insertion opening, and the magazine shown in FIG. 2 is inserted into the magazine insertion opening. The magazine shown in FIG. 2 is housed on the left side of the housing 1 shown in FIG. 1, and an elevating plate which moves up and down is provided on the right side of the housing 1, and the elevating plate is provided with a tray drawing mechanism. And a clamper means for inserting the clamper from the lower surface side of the tray and lifting the disk placed on the tray to the turntable. Data is read by the optical pickup while the disk held between the turntable and the clamper is driven to rotate by the turntable.

The present embodiment will be described below with reference to FIGS. 4 to 6, reference numeral 12 denotes an elevating plate that moves up and down in the housing 1, and the elevating plate 12 is provided with a tray pullout mechanism (not shown) that pulls out a tray from the magazine. Reference numeral 13 denotes a gear rotatably supported by the elevating plate 12, and an eccentric pin 14 is formed at an eccentric position on the upper surface of the gear 13. Reference numeral 15 denotes a gear train for transmitting the rotational driving force of a motor (not shown) to the gear 13. The rotational driving force of the motor is transmitted to the gear 13 via the gear train 15, and the gear 13 rotates counterclockwise. .
Reference numeral 16 denotes a rotating arm having an elongated hole 17 into which the eccentric pin 14 is inserted.
2 is rotatably supported by a shaft 18 provided therein. 1
Reference numeral 9 denotes a pin implanted at one end of the rotating arm 16. 2
Reference numeral 0 denotes a sliding plate slidably supported by the lifting plate 12 (sliding in the direction of the arrow X), and pins planted on the lower surface of the sliding plate 20 are straight lines formed on the lifting plate 12. Since the pins on the lower surface of the sliding plate 20 are guided to the elongated holes of the elevating plate 12, the sliding plate 20 is inserted into the elongated hole (not shown).
The upper part slides in the arrow X direction. The sliding plate 20
The pin 1 of the rotating arm 16 is
The pivot arm 16 and the sliding plate 20 are connected via the pin 19. Reference numeral 22 denotes a triangular drive piece integrally formed on the edge of the slide plate 20, and the drive piece 22 protrudes upward. 23 is a pin implanted at one end of the sliding plate 20, and 24 is the sliding plate 20 in FIG.
Is a restricting piece formed by raising and lowering a part of. Reference numeral 25 denotes a rotating board. On both sides of the rotating board 25, bent pieces 25a and 25b which are bent upward are formed.
Shafts 26a and 26b are implanted in a and 25b. 2
Reference numerals 7a and 27b denote support pieces formed by cutting and raising a part of the elevating plate 12, and the shafts 26a and 26b of the bent pieces 25a and 25b are inserted into holes formed in the support pieces 27a and 27b. . The rotating board 25 is supported by the support pieces 27a and 27b.
It is supported by and can be rotated. The rotating board 25 is urged by a spring (not shown) in a direction approaching the lifting plate 12. Reference numerals 28a and 28b denote clamping arms rotatably supported on the upper surface of the rotating substrate 25 by shafts 29a and 29b. At the tips of the clamping arms 28a and 28b, arc-shaped clamping portions 31a for clamping the clamper 30 are provided. 31b is formed, and a long hole 32 is formed in the protruding portion at the other end of the holding arms 28a and 28b. An arm 33 is rotatably supported by the rotating board 25 by a shaft 34. A pin 35 is implanted at one end of the arm 33, and the pin 35 is formed on each of the holding arms 28a and 28b. It is inserted into the long hole 32. Reference numeral 36 denotes a bent elongated hole formed in the arm 33.
The pin 23 implanted in the plug is inserted. Reference numeral 37 denotes a spring whose end is locked to each of the holding arms 28a and 28b.
The a and 28b are urged in directions toward each other.

FIG. 7 shows the clamper 30. FIG.
In the figure, reference numeral 38 denotes an annular plate made of a metal plate, and 39 denotes a cylindrical body fixed to the center of the annular plate 38.
A projection 40 is formed at the center of the upper surface of the. Reference numeral 41 denotes a hole formed at the center of the projection 40, and an annular metal plate 42 is fixed to the edge of the hole 41. A flange 43 is formed on the lower end surface of the cylindrical body 39. 44, 45
Is a rubber ring fixed to the upper surface of the annular plate 38. The clamper transfer mechanism shown in FIGS. 4 to 6 is configured such that the cylindrical body 39 between the annular plate 38 and the flange 43 of the clamper 30 shown in FIG. 7 is held by the holding portions 31 of the pair of holding arms 28a and 28b.
This is a mechanism for ascending and descending (ascending and descending with respect to the paper surface of FIGS. 4 and 5) while being sandwiched between a and 31b.

FIG. 8 shows a disc player portion fixed to the upper right side in the housing 1 of the disc changer device shown in FIG. The disc player unit is composed of a chassis 46 fixed in the housing 1, and a plurality of dampers 47 and a pickup unit 49 held by springs 48 on the chassis 46. Reference numeral 50 denotes a substrate of the pickup unit 49, and a motor 51 for rotationally driving the CD is fixed to the substrate 50. Reference numeral 52 denotes a turntable fixed to the rotary shaft of the motor 51. A protrusion 53 is formed in the center of the turntable 52, and a ring-shaped magnet 54 is fixed in the recess of the center of the turntable 52. There is. Reference numeral 55 denotes a guide shaft fixed parallel to the substrate 50, and the optical pickup 56 is slidably supported by the guide shaft 55. Reference numeral 57 denotes a motor for moving the optical pickup 56 along the guide shaft 55, and the rotational driving force of the motor 57 causes the optical pickup 56 to move in the radial direction of the turntable 52. Reference numeral 58 denotes a rotating member rotatably supported by a shaft 59 on a side portion of the substrate 50.
As shown in FIG. 9 and FIG.
0a and 60b are fixed. Reference numerals 61a and 61b denote rollers rotatably supported at the tips of the pressing pieces 60a and 60b. Reference numeral 62 denotes an arm integrally formed with the rotating member 58, and a cam surface 63 is formed at the tip of the arm 62. The rotating member 58 is urged by a spring (not shown) and is urged counterclockwise in FIG.

In FIG. 8, reference numeral 64 designates a sliding member slidably supported on the side plate of the chassis 46. The sliding member 64 includes the sliding plate 20 of the clamper transfer mechanism shown in FIGS. A recess 65 with which the protrusion 20a is engaged is formed. Reference numeral 66 denotes a protrusion integrally formed with the sliding member 64, and the protrusion 66 has an elongated hole 67 formed therein. 68
A pivot arm rotatably supported by a shaft 69 on the chassis 46. A pin 70 implanted in the pivot arm 68 is inserted into the elongated hole 67 of the sliding member 64, and the pin 7
0, the sliding member 64 and the rotating arm 68 are connected. When the sliding member 64 slides, the rotating arm 68
Around the center. Reference numeral 71 denotes a rotating arm rotatably supported on the chassis 46 by a shaft 72. A pin 74 implanted in the rotating arm 68 is inserted into an elongated hole 73 formed in the rotating arm 71. The pivot arm 68 and the pivot arm 71 are connected via the pin 74, and when the pivot arm 68 pivots, the pivot arm 71 also pivots. 75
Is a slider slidably supported by the chassis 46, and a pin 76 implanted in the slider 75 is inserted into a long hole 77 formed in the rotating arm 71, and the rotation is performed through the pin 76. The moving arm 71 and the slider 75 are connected, and when the rotating arm 71 rotates, the slider 75
Slides. Reference numeral 78 denotes a drive pin implanted in the bent portion at the tip of the slider 75. The drive pin 78 comes into contact with the cam surface 63 of the arm 62 shown in FIGS.

In FIG. 8, when the sliding member 64 slides, the rotating arms 68 and 71 rotate and the slider 75 slides. When the slider 75 slides, the cam surface 63 shown in FIGS. 9 and 10 is driven by the drive pin 78, and the rotating member 58 rotates around the shaft 59, and the pressing pieces 60a, 60
0b rotates. The pressing pieces 60a and 60b are placed on the clamper 30 and are turned downward from the turntable 52.
The CD which is transferred from the turntable 52 is pressed while pressing the CD transferred to the
The CD placed on the clamper 30 and transported up and down is prevented from coming off the clamper 30 during the transport.

Next, the operation of the above embodiment will be described.
Tray 6 pulled out of magazine body 4 shown in FIG.
Is supplied between the turntable 52 and the clamper transfer mechanism by being guided by the tray guide member 79 as shown in FIG. FIG. 4 shows a standby state of the clamper transfer mechanism. In this standby state, the clamper 30 is held by the holding portions 31a and 31b of the holding arms 28a and 28b. As shown in FIG. 11, when the tray 6 is guided by the tray guide member 79 and transferred to a predetermined position, the elevating plate 12 is lifted to a predetermined position, and the protrusion 20a of the sliding plate 20 of the clamper transfer mechanism is lifted. , The recess 6 of the sliding member 64
5 is engaged. In this state, when a current is supplied to a motor for transporting the clamper (not shown), the motor rotates, and the rotational driving force of this motor is transmitted to the gear 13 via the gear train 15 shown in FIG. Rotates counterclockwise. Since the eccentric pin 14 also rotates with the rotation of the gear 13, the rotating arm 16 rotates clockwise about the shaft 18. When the rotating arm 16 rotates clockwise, the sliding plate 2 connected to the free end of the rotating arm 16 by a pin 19 is rotated.
0 slides to the left. When the sliding plate 20 further slides to the left, the triangular drive piece 22 formed integrally with the slide plate 20 enters the lower surface of the protrusion 25c of the rotating board 25, and the drive piece 22 25c is pushed upward.
Therefore, the rotation plate 25 rotates around the shafts 26a and 26b as a fulcrum. Since the holding arms 28a and 28b are pivotally supported by the turning plate 25, the clamper 30 held by the holding portions 31a and 31b of the holding arms 28a and 28b is lifted upward with the turning of the turning plate 25. Can be When the clamper 30 is lifted upward, the protrusion 40 of the clamper 30
Into the center hole of the annular plate 38 from below,
The lower surface of the CD 80 is pushed by 45, and the CD 80 is lifted above the tray 6 (see FIG. 11). At this time, the pressing pieces 60a of the rotating member 58 shown in FIGS.
60b is rotated clockwise (FIG. 10), and the clamper 30 is rotated.
Press the top surface of the CD placed on the. The CD is transported upward while being placed on the clamper 30 and pressed by the pressing pieces 60a and 60b. When the clamper 30 is further lifted upward, the hole 41 of the projection 40 of the clamper 30 enters the projection 53 at the center of the turntable 52, and the magnet 54 provided on the turntable 52
However, the circular metal plate 42 of the clamper 30 is sucked, and the CD is held between the turntable 52 and the clamper 30 by the magnetic attraction. CD is turntable 5
2 and the clamper 30, the pressing piece 6
The rollers 0a and 60b rotate counterclockwise (FIG. 10), and the rollers 61a and 61b have returned to positions not in contact with the CD.

In FIG. 4, as the sliding plate 20 slides to the left, the pins 23 implanted in the sliding plate 20 move to the left inside the bent elongated hole 36 of the arm 33. Go.
The pin 23 reaches the bent portion of the bent elongated hole 36 while the driving piece 22 of the sliding plate 20 is moving leftward while being in contact with the lower surface of the protrusion 25c of the rotating substrate 25. Therefore, the arm 33 rotates counterclockwise about the shaft 34 by the pin 23 that moves to the left. Since the pin 35 implanted at the tip of the arm 33 is inserted into the long hole 32 formed at one end of the holding arms 28a and 28b, the arm 3
When the arm 3 rotates counterclockwise, the pin 35 of the arm 33 drives the pinching arms 28a and 28b, the pinching arm 28a turns counterclockwise about the shaft 29a, and the pinching arm 28b turns the shaft 29b. Is rotated clockwise around the center, and the holding portions 31a, 3 of the holding arms 28a, 28b are rotated.
The gap between 1b is larger than the flange 43 of the clamper 30, and the clamping arms 28a and 28b release the clamping of the clamper 30.

When the sliding plate 20 slides further to the left and the leading end of the driving piece 22 begins to come out from the lower surface of the protrusion 25c of the rotating substrate 25 to the left, the holding portions 31a of the holding arms 28a and 28b. , 31b are kept open, the rotating substrate 25 rotates about the shafts 26a, 26b so as to approach the elevating plate 12. The clamping arm 30 that has clamped the clamper 30 and has moved upward as described above moves down without clamping the clamper 30 after the clamper 30 is attracted to the turntable 47.

As the sliding plate 20 slides further leftward, as shown in FIG.
When the switch 81 is reached, the switch 81 is driven by the sliding plate 20, and the switching operation cuts off the current to the motor and stops the sliding of the sliding plate 20. The state shown in FIG. 5 is a state of the clamper transfer mechanism at the time of reproducing the CD, and the clamping arms 28a and 28b and the clamper 30 are separated from each other and have no mechanical contact. FIG. 12 shows a clamp state of the CD 80 during CD reproduction.

Next, the reproduction of the CD is completed, and the CD is moved to the tray 6
The operation of returning to will be described. When the motor is energized in the state shown in FIG. 5, the gear 13
Rotates counterclockwise, the rotating arm 16 rotates counterclockwise about the shaft 18, and the sliding plate 20 slides rightward. As the sliding plate 20 slides rightward, the driving piece 22
Moves rightward, and when the driving piece 22 enters the lower surface of the protrusion 25c of the rotating board 25, the rotating board 25
6b is rotated about the fulcrum, and the sandwiching portions 31a and 31b of the sandwiching arms 28a and 28b rise. While the tip of the driving piece 22 is moving rightward while contacting the lower surface of the protruding portion 25c of the rotating board 25, the pin 23 moving rightward in the bending elongated hole 36 is bent. Reach the bent portion of the arm 33
Rotates clockwise about the shaft 34. Therefore, the pin 35 implanted in the arm 33 holds the holding arm 28.
a and 28b are rotated, and the holding portions 31a and 31b approach each other to hold the clamper 30.

When the sliding plate 20 slides further to the right and the driving piece 22 comes out from the lower surface of the protrusion 25c of the rotating substrate 25 to the right, the rotating substrate 25 rotates to clamp the clamper 30. Holding portions 31a, 31 of the holding arms 28a, 28b in the state
b falls. For this reason, the clamper 30 is released from the attraction force of the magnet 49, comes off the turntable 52, descends with the CD 80 placed thereon, and moves the CD to the tray 6.
In the recess 8. At this time, the pressing pieces 60a and 60b rotate clockwise (FIG. 10) and press the upper surface of the CD. When the sliding plate 20 further slides to the right and moves to the position shown in FIG. 4, the free end of the rotating arm 16 drives the switch 82, and the switching of the switch 82 cuts off the power supply to the motor. The sliding of the moving plate 20 to the right stops. Thereafter, the tray 6 in which the CD is stored is driven by the tray pull-out mechanism and is stored in the magazine body 4.

As described above, in this embodiment, when the tray pulled out from the magazine by the tray pull-out mechanism is transferred to a predetermined position, the clamper causes the hole 9 of the tray 6 to move.
CD inserted in the tray 6 from the bottom side and placed on the tray 6
Lift the turntable 52 with the clamper 30.
Move up to The CD is sandwiched between the turntable 52 and the clamper 30, and the data is read by the optical pickup 56 while being rotated by the rotational driving force of the turntable 52, and the size where the clamper 30 can be inserted into the bottom surface of the tray 6. Therefore, the mechanical strength of the tray 6 does not decrease, and the size of the tray 6 can be reduced to almost the size of a disc, and thus the disc changer device can be downsized. is there.

[0022]

The present invention is apparent from the above embodiment.
In addition, the size of the holes formed on the bottom of the tray can be set so that the clamper can be inserted, and the tray can be made almost the same size as the disc without reducing the mechanical strength of the tray. the possible miniaturization of
Has advantages. Also, the clamper turns the disc
The clamper transfer means when clamped on the cable.
Since it is configured to be detached from the disk, the mechanism is simplified, and as a result, there is an advantage that the disc changer device can be downsized.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of a magazine used in the first embodiment.

FIG. 3 is a perspective view of a state where a tray is pulled out from a magazine used in the first embodiment.

FIG. 4 is a top view of the clamper transfer mechanism according to the first embodiment in a standby state.

FIG. 5 is a top view of the clamper transport mechanism according to the first embodiment in a disk reproducing state.

FIG. 6 is an exploded perspective view of the clamper transfer mechanism according to the first embodiment.

FIG. 7 is a side view of the clamper according to the first embodiment.

FIG. 8 is an exploded perspective view of the disc player unit of the first embodiment.

FIG. 9 is a top view of the pressing piece of the first embodiment.

FIG. 10 is a side view of the pressing piece according to the first embodiment.

FIG. 11 is a diagram illustrating the operation of the first embodiment.

FIG. 12 is a side view of the disk reproducing state of the first embodiment.

FIG. 13 is a side view showing the basic configuration of the disc changer device of the present invention.

FIG. 14 is a side view of a conventional disc changer device.

[Explanation of symbols]

 4 Magazine body 6 Tray 12 Elevating plate 28a, 28b Clamping arm 30 Clamper 52 Turntable 56 Optical pickup 80 Compact disc (CD)

Front page continuation (72) Masanari Naga Inventor Masaji Naga 4-3 Tsunashima Higashi 3-chome, Kohoku Ward, Kanagawa Prefecture Matsushita Communication Industrial Co., Ltd. (72) Masataka Kaneda 4-3 Tsunashima Higashi, Kohoku-ku, Yokohama No. 1 in Matsushita Communication Industry Co., Ltd. (72) Inventor Hiroki Kobayashi 4-3 Tsunashima Higashi, Kohoku Ward, Yokohama City, Kanagawa Prefecture Matsushita Communication Industry Co., Ltd. (72) Inventor Yoshitaka Nakamura Tsunashima, Kohoku Ward, Yokohama City, Kanagawa Prefecture Matsushita Communication Industrial Co., Ltd. (56) References JP-A-63-217561 (JP, A)

Claims (1)

(57) [Claims] 1. A tray having a hole formed in a bottom surface and a disk placed on the bottom surface, a magazine for storing a plurality of the trays, and a tray transfer means for taking out the trays from the magazine and transferring the trays to a predetermined position. And the above disc
The turntable that rotates and the above turntable
The above-mentioned disc is moved by the attraction force of the magnet
The clamper that is clamped on the turntable and this clan
Removably hold the par and predetermined by the tray transfer means
To the above-mentioned tray through the above-mentioned hole of the above-mentioned tray.
Transfer the ramper and move the disc to the turntable.
Equipped with a clamper transfer means to be attached to or detached from
Then, the clamper moves the disc to the turntable.
The clamper transfer means when clamped on the
A disc changer device characterized by being detached from the damper .