JP2003141764A - Carrousel type disk changer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a carrousel type disk changer capable of keeping a lens to the clean condition by cleaning the lens of a pickup with a cleaner at the lower surface of a rotary tray moving back and forth integrally with the tray at the time of back and forth movement of the tray and by allowing the cleaning of the lens of the pickup with the cleaner also at the time of rotation of the rotary tray. SOLUTION: The pickup 3 is disposed at the lower side of the tray 2 moving back and forth so as to be vertically movable by a chucking mechanism 6, and the carrousel type rotary tray 1 is disposed at the upper side of the tray 2, and the pickup 3 is arranged at the position where the rotating direction of the rotary tray 1 is orthogonally intersecting the direction of the back and forth movement of the tray 2, then the cleaner 5C for cleaning the lens 4 of the pickup 3 is mounted on the lower surface of the rotary tray 1 so that the lens 4 of the pickup 3 is cleaned when the rotary tray 1 is rotated and when the tray 2 is moved back and forth.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carousel type rotary for placing a plurality of discs on the upper side of a tray in which a pickup is vertically movable by a chucking mechanism under a tray that moves back and forth. More specifically, the present invention relates to a carousel type disc changer capable of automatically cleaning a lens of a pickup.

[0002]

2. Description of the Related Art Conventionally, there is a lens cleaning mechanism for an optical disk device described in Japanese Utility Model Laid-Open No. 6-19124 as a device for automatically cleaning the lens of such a pickup. As shown in FIG. 3, the brush 105 is provided on the side of the front loading tray 101 of the optical disk device facing the optical head 103, and the surface of the lens 104 of the optical head 103 is cleaned each time the optical disk is loaded. It is a thing. However, according to this, the tray 101
When the optical head 10 is moved back and forth, the brush 105
Only the lens 104 of No. 3 was cleaned.

Further, Japanese Utility Model Publication No. 5-21336 discloses that
A cleaning device for an optical pickup is described. This is, as shown in FIG.
A turntable 204 on which a disc D driven by 3 is placed, a tray 201 on which the disc D is placed and which moves to the position of the turntable 204 in the player, and a signal for reproducing the signal recorded on the disc D. In the cleaning device for the optical pickup device 200, which includes the optical pickup device 200 having the objective lens 290 and the brush member 202 for removing dust from the objective lens 290 of the optical pickup device 200, a brush member 202 is provided.
Is provided below the tip of the tray 201. However, also in this case, when the tray 201 is moved back and forth, only the objective lens 290 of the optical pickup device 200 is cleaned by the brush member 202.

Further, Japanese Utility Model Publication No. 12723/1990 discloses that
A laser lens cleaning device is described. this is,
As shown in FIGS. 5 and 6, by moving horizontally on the upper surface of the base 301 in which the laser irradiation device 306 is embedded, the recording medium can be attached / detached and set on the laser irradiation device 306. The tray 302 is provided, and the brush means 309 is provided so as to wipe off the dust on the laser lens 306a while crossing over the laser irradiation device 306 in conjunction with the movement of the movable tray 302. is there. However, even in this case, when the movable tray 302 moves back and forth,
The dust on the laser lens 306a was simply wiped off by the brush means 309.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above conventional circumstances, and not only cleans the lens of the pickup with a cleaner when the tray is moved back and forth, but also the rotary tray. The lens of the pickup can be cleaned even when it is rotated, and the pickup lens can be cleaned in the front-back direction and in the rotation direction, and this lens can be completely cleaned to clean the lens. It is an object of the present invention to provide a carousel type disc changer that can be kept in a state.

[0006]

The present invention has been proposed in order to solve the above-mentioned problems, and the invention according to claim 1 is such that a pickup has a chucking mechanism below the tray which moves back and forth. In a carousel type disc changer in which a carousel type rotary tray for setting a plurality of discs is disposed above the tray by a carousel type disc changer. With respect to the rotary tray, the rotary tray is disposed at a position orthogonal to each other, a cleaner for cleaning the lens of the pickup is attached to the lower surface of the rotary tray, and when the rotary tray is rotated, It features cleaning the lens of the pickup when moving it back and forth. It is set to.

According to a second aspect of the present invention, in a carousel type disc changer in which a pickup is arranged below a rotary tray so as to be movable up and down by a chucking mechanism, a rotary or forward / backward rotation is provided on a lower surface of the rotary tray. It is characterized in that a cleaner for cleaning the lens of the pickup by moving is attached. According to a third aspect of the present invention, a tray that moves back and forth is disposed below the rotary tray, and a cleaner for cleaning the lens of the pickup by the rotation of the tray is attached to the lower surface of the rotary tray. A cleaner for cleaning the lens of the pickup when the tray is moved back and forth integrally with the rotary tray is attached to a portion of the lower surface of the tray near the attachment portion of the cleaner.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a carousel type disc changer according to the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing a carousel type disc changer according to a first embodiment of the present invention.

As shown in FIG. 1, the carousel type disc changer of the first embodiment is provided under a rotary tray 1 having five disc setting portions 1a for setting a disc (not shown) in the circumferential direction. A tray 2 that moves back and forth is disposed on the side, and a pickup 3 that is vertically moved by a chucking mechanism (not shown) is disposed below the tray 2. Further, a cleaner 5A for cleaning the lens 4 of the pickup 3 by its rotation is attached to the lower surface of the rotary tray 1, and the cleaner 5 on the lower surface of the tray 2 is attached.
A cleaner 5B for cleaning the lens 4 of the pickup 3 when the tray 2 is moved back and forth integrally with the rotary tray 1 at a position near the mounting portion of A.
Is attached.

Then, by rotating the rotary tray 1, the lens 5 of the pickup 3 is cleaned by the cleaner 5A on the lower surface thereof, and by moving the tray 2 back and forth, the pickup 5 is cleaned by the cleaner 5B on the lower surface thereof.
The lens 4 is cleaned. still,
The cleaner 5A on the lower surface of the rotary tray 1 may be arranged to clean the lens 4 of the pickup 3 when the tray 2 moves back and forth.

Therefore, according to the carousel type disc changer of the first embodiment, when the tray 2 is moved back and forth, not only the cleaner 5B on the lower surface of the tray 2 cleans the lens 4 of the pickup 3, but also the rotary. Even when the tray 1 is rotated, the lens 4 of the pickup 3 can be cleaned by the cleaner 5A on the lower surface of the rotary tray 1, and the lens 4 of the pickup 3 can be cleaned in the front-rear direction and the rotation direction. The lens 4 can be completely cleaned and the lens 4 can be kept in a clean state.

FIG. 2 shows a carousel type disc changer according to the second embodiment. (A) is a front sectional view of the main part of the state in which the lens of the pickup is cleaned when the rotary tray is rotated, and (b) is shown. FIG. 6 is a front cross-sectional view of a main part showing a state in which a lens of a pickup is cleaned when the rotary tray is moved back and forth.

In the carousel type disc changer of the second embodiment, as shown in FIGS. 2 (a) and 2 (b), a pickup 3 vertically moved by a chucking mechanism 6 is provided.
The rotary tray 1 is arranged at a position orthogonal to the direction in which the tray 2 moves back and forth, and a cleaner 5C for cleaning the lens 4 of the pickup 3 is attached to the lower surface of the rotary tray 1. Then, as shown in FIG. 2A, when the rotary tray 1 is rotated, and when the rotary tray 1 is moved back and forth integrally with the tray 2 as shown in FIG. 2B, the cleaner 5C is used. The lens 4 of the pickup 3 is cleaned.

Therefore, according to the carousel type disc changer of the second embodiment, when the tray 2 is moved back and forth, the cleaner 5C on the lower surface of the rotary tray 1 which is moved back and forth integrally with the tray 2 picks up the pickup 3. Not only cleaning the lens 4 of, but also the cleaner 5 when the rotary tray 1 is rotated.
The lens 4 of the pickup 3 can be cleaned with C, the lens 4 of the pickup 3 can be cleaned in the front-rear direction and in the rotation direction, and the lens 4 can be completely cleaned. Can be kept clean.

[0015]

As described above, according to the first aspect of the present invention, the pickup is arranged below the tray which moves back and forth so as to be vertically movable by the chucking mechanism, and the plurality of discs are arranged above the tray. In a carousel type disc changer equipped with a carousel type rotary tray for setting, place the pickup in a position where the direction of rotation of the rotary tray is orthogonal to the direction in which the tray moves back and forth, Further, a cleaner for cleaning the lens of the pickup is attached, and the lens of the pickup is cleaned when the rotary tray is rotated and when the tray is moved back and forth, so that the following effects are obtained.

That is, when the tray is moved back and forth, not only is the cleaner on the lower surface of the rotary tray, which is moved back and forth integrally with the tray, cleaned the lens of the pickup, but also when the rotary tray is rotated. The lens of the pickup can be cleaned with, and the lens of the pickup can be cleaned in the front-rear direction and the rotation direction.
It is an object of the present invention to provide a carousel type disc changer capable of completely cleaning the lens and keeping the lens in a clean state.

According to a second aspect of the present invention, in a carousel type disc changer in which a pickup is arranged below the rotary tray so as to be movable up and down by a chucking mechanism, the rotary tray is rotated or moved back and forth on the lower surface of the rotary tray. Since a cleaner for cleaning the lens of the pickup is attached, the following effects are obtained. That is, not only can the cleaner clean the pickup lens when the tray is moved back and forth, but also the pickup lens can be cleaned when the rotary tray is rotated, and the pickup lens can be moved in the front-back direction. It can be cleaned and rotated in the direction of rotation, and this lens can be completely cleaned to keep the lens clean.

According to a third aspect of the present invention, a tray that moves back and forth is arranged below the rotary tray, and a cleaner for cleaning the lens of the pickup by the rotation of the tray is attached to the lower surface of the rotary tray. A cleaner for cleaning the lens of the pickup when the tray is moved back and forth is attached to the lower surface of the unit in the vicinity of the part where the cleaner is attached. Not only can you clean the pickup lens with the other cleaner, but you can also clean the pickup lens with the cleaner on the bottom of the rotary tray when rotating the rotary tray, and clean the pickup lens in the front-back direction. And be cleaned in the direction of rotation, it is possible to keep the lens is able to clean the lens completely clean.

[Brief description of drawings]

FIG. 1 is a plan view showing a carousel type disc changer according to a first embodiment of the present invention.

2A and 2B show a carousel type disc changer according to a second embodiment, FIG. 2A is a front sectional view of a main part of a state in which a lens of a pickup is cleaned when the rotary tray is rotated, and FIG. FIG. 7 is a front cross-sectional view of a main part showing a state in which the lens of the pickup is cleaned when the tray moves back and forth.

FIG. 3 is a perspective view showing a lens cleaning mechanism of a conventional optical disk device.

FIG. 4 is a sectional view showing a conventional cleaning device for an optical pickup.

FIG. 5 is a perspective view showing a movable tray retracted in a conventional laser lens cleaning device.

FIG. 6 is a perspective view showing the movable tray in the same apparatus when the movable tray is moved forward.

[Explanation of symbols]

1 Rotary tray 2 trays 3 pickups 4 lenses 5A cleaner 5B cleaner 5C cleaner 6 Chucking mechanism

Claims (3)

[Claims] 1. A pickup is arranged below a tray that moves back and forth so as to be vertically movable by a chucking mechanism, and a carousel type rotary tray for setting a plurality of discs is arranged above the tray. In a carousel type disc changer, the pickup is arranged at a position in which the rotation direction of the rotary tray is orthogonal to the direction in which the tray moves back and forth, and the lens of the pickup is cleaned on the lower surface of the rotary tray. The carousel-type disc changer, which cleans the lens of the pickup when the rotary tray is rotated and the tray is moved back and forth. 2. A carousel type disc changer in which a pickup is arranged below a rotary tray so as to be movable up and down by a chucking mechanism, and a lens of the pickup is attached to a lower surface of the rotary tray by rotating or moving back and forth. A carousel type disc changer with a cleaner for cleaning the disc. 3. A tray which moves back and forth is arranged below the rotary tray, and a bottom surface of the rotary tray is provided with:
By the rotation, a cleaner for cleaning the lens of the pickup is attached, and when the tray is moved back and forth integrally with the rotary tray, it is attached to the lower surface of the tray in the vicinity of the portion where the cleaner is attached. The carousel type disc changer according to claim 2, further comprising a cleaner for cleaning the lens.