JPH0731862B2 - Disk-shaped recording medium mounting device - Google Patents

Description

Description: TECHNICAL FIELD OF THE INVENTION The present invention relates to a disk-shaped recording medium, for example, an optical disk, a magneto-optical disk or other disk-shaped recording medium is moved to move a cartridge, and the disk-shaped recording medium is used as a rotation moving device such as a motor. The present invention relates to an improvement of a device for coupling.

2. Description of the Related Art A technique for moving a cartridge and coupling the disk-shaped recording medium in the cartridge to a rotary drive device is disclosed in, for example, Japanese Patent Laid-Open No. 59-154669. This publication describes a mounting / demounting device for a cartridge that accommodates a disk-shaped magnetic recording medium, which is a disk-shaped recording medium. Such technology is a cartridge (reference numeral 56 in the above publication)
Is a holder that is a cartridge holder (reference numeral 4 in the above publication).
After the magnetic recording medium is installed at a predetermined position in 7), the holder is moved in a direction perpendicular to the medium surface of the magnetic recording medium to couple the motor and the magnetic recording medium.

Here, when the motor and the magnetic recording medium are coupled to each other, a spring (a reference numeral 39 in the aforesaid publication) which is a spring member partially joined to a supporting substrate (the reference in the aforesaid publication).
The holder is pressed against the support substrate in a direction substantially perpendicular to the medium surface by utilizing the restoring force generated from (a, 39b) (see FIG. 8B of the above publication).

However, the above publication does not describe that the pressing force that is substantially perpendicular to the medium surface acting on the holder also acts on the cartridge. Therefore, it is completely unknown how the cartridge is fixed to the base when the motor and the magnetic recording medium are combined.
Further, positioning and fixing of the cartridge in a direction parallel to the medium surface is not considered in the configuration disclosed in the above publication. In the structure disclosed in the above publication, not only the disk-shaped magnetic recording medium in the cartridge cannot be accurately and promptly coupled to the motor, but also the cartridge moves in the direction parallel to the medium surface due to the vibration of the motor during the information reproducing operation. There is a risk of misalignment, and in such a state, there is a drawback that information cannot be reproduced accurately.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a disc-shaped recording medium mounting device that solves the above-mentioned drawbacks.

A mounting device for a disk-shaped recording medium of the present invention installs a cartridge containing a disk-shaped recording medium inside at a predetermined position of a cartridge holding body, and then vertically attaches the cartridge holding body to the medium surface of the disk-shaped recording medium. Na first
The second direction parallel to the surface of the medium when the rotary drive is coupled to the disk-shaped recording medium by moving in the direction of
The axis fixed to the cartridge holder is parallel to the first direction and is fixed to the base (not only the base of the mounting device but also this base in a stationary state). (Including a member), the cartridge holder is guided along a groove formed so that the cartridge holder moves in the first direction,
When the cartridge holder moves in the first direction, a protruding member that is fixed to the base and is parallel to the first direction is inserted into the recess formed in the cartridge, and is partially attached to the base. Is to press the cartridge against the base substantially in the first direction by utilizing the restoring force generated from the spring member substantially coupled.

Embodiment Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

FIGS. 1 and 2 are partial sectional front views showing the construction of the main part for explaining the operation of the transport mechanism of the cartridge accommodating the disk of the present invention, and FIG. 3 is a side view thereof.

Reference numeral 1 denotes a cartridge containing a disk, whose bottom view is shown in FIG. In FIG. 4, 301 is a recording / reproducing head insertion opening, 302 is a disk drive turntable insertion opening in the apparatus, 303 to 306 are positioning holes provided at four corners of the bottom surface of the cartridge 1, and 307 is a positioning hole. Cartridge 1
Notches formed on both sides of the cartridge are used for positioning with respect to the cartridge carrier when the cartridge 1 is carried, as will be described later. Although not shown in this figure, the upper surface of the cartridge 1 is also provided with a concave portion for positioning and fixing with respect to the transport body at the time of transport.

In FIGS. 1 to 3, 2 is a cartridge carrier provided inside the cartridge insertion port of the recording / reproducing apparatus, 3 is a clamp guide plate fixed to the machine frame of the apparatus, and 4 is a cartridge carrier 2 for carrying. A drive mechanism including a link lever, 5 is a conveyance guide groove of the cartridge 1 formed on a side plate of the apparatus, 6 is a side plate of the apparatus, 7 is a base of the apparatus, and 8 is a disk clamp device.

Hereinafter, the configuration of each unit will be described in more detail.

The cartridge carrier 2 is a frame provided inside the cartridge insertion opening (not shown) of the recording / reproducing apparatus as described above, and extends from the cartridge insertion opening 201 to the cartridge 1
Is inserted, held and conveyed to a predetermined position (position shown in FIG. 2). A disc clamp device 8 is provided on an upper plate 202 of the cartridge carrier 2, and a carrier support frame 205 that supports a roller frame 204 having a plurality of cartridge insertion guide rollers 203 ... Is provided. As shown in FIG. 3, the carrier support frame 205 is screwed together to the angled leg portion 206 of the upper plate 202 so that the roller 1 of the roller frame 204 supports the cartridge 1. It has become.
Further, the transport support 205 is provided with a transport guide roller 207, which is fitted into the transport guide groove 5 of the apparatus side plate 6, and the interlocking shaft 208 which supports the transport guide roller 207 has a driving mechanism 4
The long groove 209 formed in the link lever is engaged.

Reference numeral 210 denotes a cartridge retainer attached to the upper plate 202 of the cartridge carrier 2 so that a roller 212 provided at the tip of an elastic arm 211 formed of a leaf spring presses a concave portion for positioning and fixing provided on the upper surface of the cartridge 1. It has become.

The disc clamp 8 is the upper plate 202 of the cartridge carrier 2.
Axis 80 of clamp support plate 802 of clamp base 801 provided above
It is swingably pivoted on 3. A clamp head 805 is loosely fitted and supported by a clamp holder 806 at the tip of the clamp support arm 804. A cylindrical clamp operating end 807 is provided at the other end of the clamp support arm 804. The clamp operating end is in sliding contact with the lower surface of the clamp guide plate 3 described above.

The clamp guide plate 3 is the first cartridge carrier 2
A guide groove 5 which will be described later from the position before insertion of the cartridge in the figure.
The position where the clamp working end 807 of the disc clamp 8 is restrained, the clamp support arm 804 is held in the left-handed state, and the clamp head 805 is held in the non-actuated position while being in the horizontal transport section. Designed for relationships.

Reference numeral 5 denotes the above-mentioned guide groove, which is formed on the side plate 6 of the apparatus and forms a horizontal conveyance unit 501 and a vertical descending conveyance unit 502 with which the conveyance guide rollers 207 interlocked with the cartridge conveyance body 2 by the movement shaft 208 are engaged. .

Reference numeral 401 denotes a link lever that constitutes a part of the drive mechanism of the cartridge transporting body, and includes a linking shaft 208 of the cartridge transporting roller 207 that fits in the guide groove, and a long groove 209 at the tip thereof.
Are to be engaged. A drive shaft 402 is connected to a power source (not shown). This link lever 401
In principle, the drive mechanism according to (1) may be one set of link levers, but two sets are provided in this embodiment from the viewpoint of stability of the cartridge carrier 2 and distribution of the driving force.

Reference numeral 701 denotes a cartridge positioning pin implanted in the base (fixing portion) 7 of the apparatus, which is provided at positions corresponding to the positioning holes 303 to 306 of the cartridge 1 shown in FIG. Vertical positioning member for cartridge 1
702 is provided. The vertical positioning member 702 may be a step portion integrally formed with the positioning pin 701 itself. Thus, the cartridge 1 is restricted by these pins between the horizontal position and the vertical position. The positioning height of the vertical positioning member 702 that regulates the vertical position is such that the bottom plate of the cartridge 1 is located in the space between the recording medium 9 and the cartridge 1 and the bottom surface of the turntable 703 of the apparatus more than the mounting surface of the disk-shaped recording medium 9. It is possible to set the normal position of the disc as shown in FIG. 2 by designing it to be lower by the distance including the thickness.

The operation of the cartridge transport positioning mechanism of the present invention will be described below with reference to the drawings.

First, when the cartridge 1 containing the disk-shaped recording medium 9 shown in FIG. 4 is inserted with the surface shown in FIG. 4 facing down from the cartridge insertion opening 201 in FIG. It is slid on the cartridge insertion guide roller 203 provided on the roller frame 204 and inserted into the cartridge transport body 2.

At this time, press the cartridge holder 21 on the upper surface of the cartridge 1.
The 0 roller 212 is pushed up against the elastic force of the elastic arm 211, and the insertion can be performed without play. Eventually, when the cartridge 1 is completely pushed into the cartridge carrier 2, the cartridge pressing roller 21 on the upper surface of the cartridge 21 is pressed.
Numeral 2 drops into a positioning recess provided on the upper surface of the cartridge to lock the cartridge 1. At the same time, although not shown, the elastic lock member provided on the side of the cartridge carrier 2 is provided with a notch on the side surface of the cartridge.
The engagement with 307 completes the position fixing of the cartridge in the carrier.

When the insertion and fixing of the cartridge 1 is completed, a sensing switch of a well-known means (not shown) operates and a power source (not shown) is turned on after a predetermined time (insertion confirmation time), and the drive mechanism including the link lever 401 starts operating. To do.

When the drive mechanism starts operating, two sets of link levers 401
Swings around the shaft 402 and turns counterclockwise. Therefore, the cartridge transport body 2 is guided along the horizontal transport portion of the transport guide groove 5 via the interlocking shaft 208 of the cartridge transport support frame 205 fitted in the long groove 203 at the tip of the link lever 401 and the guide roller 207. And move to the left on Fig. 1.

When the transport guide roller 207 reaches the left end of the guide groove 5, that is, the position of the vertically descending transport portion 502, the cartridge transport body 2 starts to descend along the vertically descending transport portion 502 of the guide groove 5.

Then, first, the cartridge 1 descends together with the cartridge carrier 2 while the positioning holes 303 to 306 of the cartridge are fitted to the positioning pins 701 to perform the horizontal positioning. At the same time, the clamp support arm 80 of the clamp 8
4 starts rotating clockwise when the cartridge carrier 2 descends.

When the transport guide roller 207 descends near the lower end of the vertically descending transport unit 502, the cartridge 1 guided by the positioning pin 701 is lowered due to the lowering of the cartridge transport body 2.
The descending position is regulated by the stepped portion of the vertical positioning member 702 of the pin 701, and the drive mechanism stops its operation in response to a signal from a conveyance body movement end detection circuit (not shown).

At this time, the disc-shaped recording medium 9 in the cartridge 1 is
As described above, since the relationship between the height of the disk mounting surface of the turntable 703 and the vertical positioning member 702 of the positioning pin 701 is determined, there is a space in the center of the cartridge 1 as shown in FIG. Supported by turntable 703. At the same time, the clamp head 805 supported by the clamp holder 806 at the tip of the clamp support arm of the disc clamp 8 that is rotated rightward as the cartridge transport body 2 descends is rotated by the spindle guide in the center of the turntable 703.
The disk 9 fitted in the 704 is pressed from above and clamped.

808 and 809 are a disk holder and a magnet, which are provided on the clamp head, respectively.

In this way, after the carrying / positioning operation of the cartridge 1 is completed and the necessary recording and reproducing operations for the recording medium are performed, the link bar is operated by operating the eject button (not shown).
The drive mechanism 4 composed of 401 starts to operate again, and this time, by swinging the link lever 401 in the opposite direction (clockwise rotation),
The cartridge carrier 2 moves reversibly and returns to the first state.

EFFECT OF THE INVENTION In the disk-shaped recording medium mounting apparatus of the present invention, after the cartridge containing the disk-shaped recording medium is installed at a predetermined position of the cartridge holder (for example, the cartridge carrier 2 described in the above embodiment), The cartridge holder is provided with a first perpendicular to the medium surface of the disc-shaped recording medium.
The second direction parallel to the surface of the medium when the rotary drive is coupled to the disk-shaped recording medium by moving in the direction of
Of the shaft (for example, the interlocking shaft 208 and the conveyance guide roller 207 of the above-described embodiment) that extend in the direction of (1) and are parallel to the first direction and that of the base (for example, of the above-described embodiment). Mounting of a disk-shaped recording medium, which is guided along a groove formed in the side plate 6) of the example (for example, the vertical descending conveyance unit 502 of the above-described embodiment) so that the cartridge holder moves in the first direction. In the apparatus, when the cartridge holder moves in the first direction, a protruding member that is fixed to the base (for example, the base 7 of the apparatus of the embodiment) and is parallel to the first direction (for example, the above-mentioned The positioning pin 701 of the embodiment is inserted into the recess formed in the cartridge (for example, the positioning holes 303, 304, 305, 306 of the embodiment), and the spring part is partially coupled to the base. (For example, the restoring force generated from the elastic arm 211 including the leaf spring described in the above-described embodiment) is used to move the cartridge toward the base substantially in the first direction (for example, the vertical positioning member 702 in the above-described embodiment). Since it is characterized in that the disk-shaped recording medium is accurately and quickly coupled to the rotary drive device with an extremely simple structure, and information can be reproduced accurately.

[Brief description of drawings]

1 and 2 are partial cross-sectional views of a main part for explaining the operation of the carrying mechanism of the present invention, FIG. 3 is a side view thereof, and FIG. 4 is used for a recording / reproducing apparatus using the carrying mechanism of the present invention. It is a schematic plan view of a cartridge. 1 ... Cartridge 2 ... Cartridge carrier 3 ... Clamp guide plate 4 ... Drive mechanism 5 ... Guide groove 6 ... Side plate 7 ... Device base 8 ... Disc clamp 9 ... Disc-shaped recording medium ( Disc) 401 …… Link lever 501 …… Horizontal transport section 502 …… Vertical descending transport section 701 …… Positioning pin 702 …… Vertical positioning member 703 …… Turntable 805 …… Clamp head 807 …… Clamp actuating end 808… … Disk holder

Claims (1)

[Claims] 1. A cartridge containing a disk-shaped recording medium therein is installed at a predetermined position of a cartridge holder, and then the cartridge holder is moved in a first direction perpendicular to the medium surface of the disk-shaped recording medium. When the rotation drive device and the disc-shaped recording medium are coupled to each other, the shaft extending in the second direction parallel to the medium surface and fixed to the cartridge holder is the first. A mounting device for a disk-shaped recording medium, which is guided along a groove formed in parallel with the base and formed in the base so that the cartridge holder moves in the first direction. When moving in the direction of, the protruding member fixed to the base and parallel to the first direction is inserted into the recess formed in the cartridge, and A disc-shaped recording medium, characterized in that the cartridge is pressed against the base substantially in the first direction by utilizing a restoring force generated from a spring member partially connected to the base. Mounting device.