JPH03212848A - Optical disk player with disk changer - Google Patents

Abstract

PURPOSE:To enable a disk change in a short time by carrying a disk under the state of placing in a round recessed part provided on a tray with the tray between a magazine and a reproducing device and performing a transfer between the magazine and a carrier device with a feed roller to be brought into pressurized contact with the tray. CONSTITUTION:There is the round recessed part 4b on the upper surface of the tray 4, where the disk 5 is placed with a signal recording surface on its lower side. Protruding parts 4a and 4a provided on the right and left sides of the tray 4 are engaged with recessed parts 7a and 7a provided to guide rails 7 and 7 respectively, and the tray 4 is fed to the inner part of a movable chassis 6 by a driving roller 28 and driven roller 31. When the tray 4 is fed to the end of the guide rails 7, a motor 21 is stopped, and the tray 4 is held under the pressurized contact state with the driving roller 28 and the driven roller 31. Subsequently, the movable chassis 6 is lowered to place the disk 5 on a turntable. By this method, since the tray can be moved at high speed, disks can be changed in a short time.

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial Application Field" This invention relates to an optical disc player with a disc changer, and particularly relates to an optical disc player with a disc changer that allows disc changes in a short time without damaging the disc. .

[Prior Art] Conventionally, optical disc players with a disc changer have been known that automatically transfer a plurality of discs housed in a magazine to a playback device and play them.

Such an optical disc player with a disc changer includes a mechanism for taking out a predetermined disc from a magazine to a transport device, and a mechanism for transporting it to a playback position 1.

As a mechanism for taking out the former disk to a conveying device, for example, an am
According to this M structure described in the above, the disk is brought into pressure contact with a driving roller and a driven roller, and is fed by the rotation of the driving roller.

2. Problems to be Solved by the Invention] The above-mentioned conventional devices have the disadvantage that they are easily scratched because the rollers are pressed against the signal reading surface of the disk.

Moreover, this also caused the problem that the disk could not be sent at high speed and the disk could not be replaced in a short time.

The present invention was made to solve the above problems, and an object of the present invention is to provide an optical disc player with a disc changer that enables disc changes in a short time.

[Means for Solving the Problems] An optical disc player with a disc changer of the present invention includes a magazine for storing a plurality of discs in a stacked manner, a playback device for playing the discs, and a playback device for playing the discs from the storage position. In an optical disc player with a disc changer, which includes a transport device that transports the disc to the playback position of the playback device and transports the disc from the playback position to the storage position, the disc is placed in a circular recess provided in the tray.
In this state, the magazine is transported together with the tray between the magazine and the playback device, and the transport between the magazine and the transport device is performed by a feed roller that is pressed against the tray.

[Operation] The disk is conveyed by the feed roller while being placed in the recessed portion of the tray, and since the disk and the roller do not come into contact with each other, the disk is not scratched.

When the tray is lowered with the disc loaded thereon, the disc is placed on the turntable and is pressed against the turntable by the clamp mechanism for reproduction.

[Example] Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing an embodiment of the invention.

In the figure, 1 is the base, screws 18, 18...
The arm support member 16.16 is fastened by the arm support member 16.16.

A magazine holder 2 holds a magazine 3.

6 is a movable chassis, and guide rails 7.7 are fixed inside the left and right side plates.

Arms 8 and 9 are rotatably connected by a shaft 14;
The ends of the arms 8 and 9 are rotatably supported by shafts 10 and 11, respectively, which are erected on the movable chassis 6 and the arm support member 16.The other ends of the arms 8 and 9 have shafts 12 and 13, respectively. The shafts 12 and 13 are slidably supported by guide levers 16a and 6a provided on the arm support member 16 and the movable chassis 6, respectively.

That is, the movable chassis 6 is supported so as to be vertically movable, and is moved in the vertical direction by a drive mechanism (not shown). Note that reference numeral 15 is a pull-out stop that prevents the arm from separating from the shaft.

The magazine 3 stores six trays 4 that can be drawn out in the direction of arrow A in the figure.

Convex portions 4a, 4a are provided on the left and right sides of the tray 4,
The protrusions 4a, 4a engage with recesses 7a, 7a provided in the kite rail 7.7, respectively, and the tray 4 is fed into the interior of the movable chassis 6 by the driving roller 28 and the driven roller 31.

That is, the motor 21 fixed to the swing arm 19
The rotation of is caused by pulleys 22, 23, belt 24°, gears 23a, 1
7 to a gear 25 integrated with a drive shaft 27. The boss 26 supports a drive shaft 27 to which a drive roller 28 is fixed. Motor 21. Pulley 22,2
The three belts 24° gears 23a and 17 form a drive section 20.

The swing arm 19 is rotatably supported by a shaft 6b erected on the movable chassis 6, and is biased in the B direction (counterclockwise direction) by a torsion coil spring 32.

The swing arm 29 is rotatably supported by a shaft 6C provided upright on the movable chassis 6, and is biased by a torsion coil spring 33 in the direction C (clockwise) in the figure.

A driven shaft 30 is fixed to the swing arm 29, and a driven roller 31 is rotatably supported on the driven shaft 30. The driving roller 28 and the driven roller 31 face each other at a distance slightly smaller than the thickness of the tray 4.

There is a circular recess 4b on the upper surface of the tray 4, in which the disk 5 is placed with its signal recording surface facing downward.

As shown in FIG. 2, a spindle motor 35 is arranged below the movable chassis 6.
A turntable 34 is fixed to the rotating shaft of 5.

In the above configuration, as shown in FIG.
are moved up and down (Z direction in the figure) and positioned at the center of the recess 7a of the guide rail 7 at heights h1 to h6, respectively.

That is, the movable chassis 6 is positioned at a position corresponding to each tray 4 within the magazine 3.

In FIG. 2, the movable chassis 6 is positioned in correspondence with the uppermost tray within the magazine 3.

After the movable chassis 6 is positioned as described above, the tray 4 facing the kite rail 7 of the movable chassis 6 is pushed out by an extrusion 11 (not shown)! It is laterally pushed out in the E direction and pushed between the drive roller 28 and the driven roller 31.

The driving roller is rotated by the motor 21 in the direction D shown in the figure, and the driving roller 28 and the driven roller 31 feed the tray 4.
The convex portion 4a of the tray 4 fits into the concave portion 7a of the guide rail 7, and the tray 4 is sent to the back of the movable chassis 6 as shown in FIG. 3 while being guided by the guide rail 7.

The drive roller 28 and the driven roller 31 are applied with force in the F direction shown in the figure by torsion coil springs 32 and 33, respectively, and are made of an elastic material, so they feed the tray 4 without slipping, but the disk signal Since the recording surface is on the lower side, the driven roller 31 only contacts the tray 4 and does not contact the signal recording surface of the disk 5 and does not damage the signal recording surface.

As shown in FIG. 3, when the tray 4 is sent to the end of the kite rail 7, the motor 21 is stopped and the tray 4 is held in pressure contact with the driving roller 28 and the driven roller 31.

Thereafter, the movable chassis 6 is lowered and the disk 5 is placed on the turntable 34 as shown in FIG.

When the disc 5 is placed on the turntable 34, a clamp mechanism (not shown) moves the disc 5 onto the turntable 3.
4, the spindle motor 35 rotates, a signal is read from below by a pickup (not shown), and a performance is performed.

When the performance is finished, the tray 4 is returned to the magazine 3 by the reverse operation to the above.

Move the movable chassis 6 so that the center of the recess 7a of the guide rail 7 is h.
By positioning the disc at an arbitrary height of ~h6, any disc in the magazine 3 can be transported to the playback device and played.

[Effects of the Invention] As explained above, the optical disc player with a disc changer of the present invention has the advantage that the disc is not scratched because the roller pulls the disc into the movable chassis without contacting the signal playback surface of the disc. be.

Additionally, since the tray can be moved at high speed, disks can be replaced in a short time.

Furthermore, since both the driving roller and the driven roller move so as to press the tray with uniform force, it is possible to smoothly transport the tray without the tray getting caught in the guide rail.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an optical disc player with a disc changer according to an embodiment of the present invention, FIGS. 2, 3, and 4 are side views showing the operating state of the same embodiment, and FIG. 5 is a conventional technology. FIG. DESCRIPTION OF SYMBOLS 1... Base, 2... Magazine holder, 3... Magazine, 4... Tray, 4a... Convex part, 5... Disk, 6... Movable chassis, 6a... Guide Wei,
7... Guide rail, 7a... Recessed portion, 8.9...
Arm, 10° 11.12, 13.14... Axis, 15
...Stop pulling out. 16... Arm support member, 16a... Guide spring, 1
7... Gear, 18. ... Screw, 19... Swinging arm, 20... Drive unit, 21... Motor, 22.23.
...Pulley, 24...Belt, 25...Gear, 26
... Boss, 27 ... Drive shaft, 28 ... Drive roller, 29 ... Swing arm, 30 ... Followed shaft, 31 ... Followed roller, 32.33 ... Torsion Coil spring, 34... Turntable, 35...
・Spindle motor.

Claims (1)

[Claims] A magazine that stores a plurality of discs in a stacked manner, a playback device that plays the discs, transports any disc in the magazine from a storage position to a playback position of the playback device, and transports the disc from the playback position to the storage position. In an optical disc player with a disc changer, the disc is placed in a circular recess provided in the tray and is transported together with the tray between the magazine and the playback device, and the tray is used to transport the disc between the magazine and the transport device. An optical disc player with a disc changer configured to use a pressure-contact feeding roller.