KR920005439Y1 - Disc transfering machinism - Google Patents

Abstract

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Description

Recording medium conveying mechanism of disk type recording medium reproducing apparatus

1 is a perspective view of a disk-type recording medium reproducing apparatus provided with a recording medium conveying mechanism of the present invention.

2 is a perspective view of a fluctuation part.

3 is a coplanar view.

Figure 4 is a partially cutaway side view of the magazine of the device of Figure 1 loaded.

5 is a plan view of the gripping portion of the device in the FIG. 4 state.

FIG. 6 is a partially cutaway side view of the trellis of the device of FIG. 1 withdrawable from a magazine. FIG.

7 is a plan view of a gripping portion of the device in the FIG. 6 state.

8 is a plan view of a gripper portion with the tray withdrawn from the magazine.

9 is a partially cutaway side view of the state in which the magazine is released from the magazine receiving portion of the apparatus of FIG.

FIG. 10 is a partially cutaway side view of the magazine extruded outside the magazine housing of the apparatus of FIG.

* Explanation of symbols for main parts of the drawings

3: magazine 4: tray

16: playback mechanism 27: gripper

32: gripper support 40: first pinion

42: second pinion 44: rack

The present invention relates to a recording medium conveying mechanism of a disk-type recording medium reproducing apparatus provided with a rack that always engages with a pinion on a gripper support.

Disc-type recording medium reproducing apparatus for reproducing information recorded on a disc-type recording medium such as a CD (Compact Disc), withdraws a desired tray from a plurality of disc-type recording medium placing trays arranged in multiple stages in a magazine, and then to the reproduction unit. The recording medium conveying mechanism for conveying is provided.

This kind of recording medium conveying mechanism is equipped with a gripper on the gripper support to move the tray in the direction of the tray arrangement in the magazine, and adjusts the gripper support after adjusting the height position of the gripper to the tray height in the magazine to be taken out here. It has a function of moving in the magazine direction, engaging the gripper with a desired tray, moving the gripper support in the direction of the reproducing section, and mounting the disc-shaped recording medium on the tray to the reproducing section.

Therefore, the moving distance of the gripper support is required at least as long as the length of the magazine in the conveying direction.

As the prior art of such a recording medium transfer mechanism, there is one such as that shown in Japanese Patent Application Laid-Open No. 61-96063.

This is to drive a fragment of the government material arranged almost horizontally by a drive source, and to move the holding member support largely on the long piece side, but the width dimension of the whole regeneration apparatus is larger than the magazine width dimension because it requires a long dimension government material. There was a problem that would be much larger.

An object of the present invention is to provide a recording medium conveying mechanism of a disk-type recording medium reproducing apparatus, which is simple in spite of its compactness.

The present invention for achieving the above object is to engage the desired tray of the plurality of disc-shaped recording medium mounting trays arranged in a multi-stage arrangement in the magazine to the holding member mounted on the holding member support in the tray arrangement direction, A recording medium conveyance mechanism of a disk-type recording medium reproducing apparatus which moves a gripper support to transfer a desired tray to a reproducing mechanism and mounts a disc-shaped recording medium to the reproducing mechanism, wherein A plurality of pinions of the same diameter are arranged at intervals, and the pinion supports are interlocked in the same direction by a rotary connection mechanism, and the gripping support is provided with a rack which always engages at least one of the plurality of pinions. It is characterized by.

Since the rack, which always engages with the pinion, moves integrally with the gripper support, the moving stroke of the gripper support can be obtained in the required amount, while the actual length of the rack is completed shortly.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

1 is a perspective view of a disc-shaped recording medium reproducing apparatus provided with a recording medium conveying mechanism of the present invention, in which (1) is a rectangular substrate, on both sides of which is formed at an upper surface on one end side in an approximately middle portion in the longitudinal direction thereof. The magazine storage part 2 of the square box shape with which the front-back end) surface was opened is attached.

In this magazine accommodating part 2, the magazine 3 is removably accommodated.

In the magazine 3, a plurality of disc-shaped recording medium placing trays (hereinafter referred to simply as trays) 4 on which disc-shaped recording media (e.g., compact discs) which are not displayed are placed. It is accommodated in multiple stages along the orthogonal direction (up-down direction in a figure) of the opening axis of this.

When the magazine 3 is stored in the magazine housing 2, the magazine 3 is locked at a predetermined loading position by the lock arm 5 provided on the outer side of the wall 2a of one side (right side in the drawing) of the magazine housing 2. .

In addition, when storing the magazine 3 in the magazine storage part 2, the inside of each tray 4 of the inside of the tray 4 is released by the release arm 6 provided in the outer surface of the one side wall 2a of the magazine storage part 2. The detention for the magazine 3 is released.

On the other side (shear in the figure) and on the surface side (upper surface in the figure) at approximately the middle of the longitudinal direction of the substrate 1, the movable plate 7 is arranged in the tray 4 via the coupling mechanism 8 (arrows A and B). It is mounted so as to be movable in the

The coupling mechanism 8 is made up of links 9a, 9b and 9c of the same configuration respectively provided at the front and both sides of the substrate 1 and the moving plate 7.

The moving plate 7 is moved in the arrangement direction of the tray 4 by the first moving mechanism 10 provided on the other surface of the substrate 1 as shown in FIG.

The first moving mechanism 10 meshes with the motor 11 provided on the surface of the substrate 1 and the first worm gear 12 fixed to the rotation shaft of the motor 11 and the first worm gear 12. A first worm wheel 13 axially rotated on the surface of the substrate 1, a second worm wheel 14 coaxially rotating with the first worm wheel 13, and a second worm wheel 14 engaged with the second worm wheel 14 to rotate. The second worm gear 15 provided on the surface of the substrate 1 and the second worm gear 15 mesh with the rack (not shown) provided on the outer surface of the rear end of one wall 7a of the movable plate 7. It is composed.

Then, by rotating the motor 11 forward and backward, the movable plate 7 moves through the first worm gear 12, the first and second wheels 13 and 14, the second worm gear 15 and the rack. do.

The regeneration mechanism 16 is attached to the board | substrate 1 located in the one side (lower side of drawing) of the moving board 7.

The regeneration mechanism 16 is a turntable 19 and a turntable 19 which are placed on the base plate 18 mounted at an upper portion of the drawing of an opening 17 provided at the front side in the drawing at an approximately middle portion of the substrate 1. ), The motor 20 driving the pickup 21, the pickup 21, and the motor 22 driving the pickup 21 are provided.

The base plate 18 is mounted on the periphery of the opening 17 and is mounted on a plurality of mounting pieces 23 protruding on the surface of the substrate 1. It is fixed to the board | substrate 1 by fastening and fixing by the bolt 26 through 25. As shown in FIG.

On the surface of the moving plate 7, the holding tool 27 is mounted so as to be movable in a direction perpendicular to the stacking direction of the tray 4 (back and forth directions in the drawing, that is, arrows C and D directions).

The gripper 27 moves the tray 4 between the storage position in the magazine 3 and the regeneration preparation position facing the turntable 19 of the regeneration mechanism 16.

As shown in FIG. 2, the gripper 27 is rotatable in a plane perpendicular to the arrangement direction of the tray 4, with the hook-like gripper main body 29 at one end of the support plate 29 as shown in FIG. I get wet.

The supporting plate 28 is a guide (not shown) provided on the other side wall 7b side surface (upper surface in the drawing) of the back surface (lower surface in the drawing) on the other side wall 7b side surface of the moving plate 7 along its original direction. It is perturbed in the groove.

The gripper main body 29 is counterclockwise, that is, the tray (1) by a spring (not shown) that is engaged with the cutout engaging portion 4a (see FIG. 5) of the tray 4 so as to be detachably engaged. It rotates in the direction engaged with the notch engaging part 4a of 4).

The gripper main body 29 is engaged with the engaging portion (not shown) provided therein so as to perturbably engage the operating groove 30 provided with parallel intervals with the electric guide groove on the surface of the movable plate 7. The holding | gripping tool main body 29 is prevented from rotating in the counterclockwise direction by the spring.

And when the holding | gripping tool main body 29 reaches the cutout part (not shown) of the front end of the operation | movement groove | channel 30, it rotates counterclockwise by the spring force of a spring.

An angle hole 31 is installed at the other end of the support plate 28, and the angle hole 31 is inward of one side wall 1a of the substrate 1, so that the grip hole support 32 can be linearly moved. Each main part 33a is fitted so that it can move along the arrangement direction of the tray 4.

The holding | gripping tool body 32 forms the side L shape which protrudes each main part 33a in the one end of the elongate plate-shaped main body 33b, and the main body 33b is the one side wall 1a of the board | substrate 1 Is perturbably engaged to the guide rail 34 provided along the inner surface of the c).

This holding | gripping tool body 32 is moved by the 2nd moving mechanism 35 provided in the side wall 1a side of the board | substrate 1. As shown in FIG.

The second moving mechanism 35 includes a motor 36 provided on the surface of one side wall 1a of the substrate 1, a worm gear 37 fixed to the rotating shaft of the motor 36, and the worm gear 37. And a worm wheel 38 for meshing with the drive gear, a drive gear 39 rotating coaxially with the worm wheel 38, a first pinion 40 for meshing with the drive gear 39, and the first pinion. The intermediate gear 41 meshing with the 40, the second pinion 42 meshing with the intermediate gear 41, and at least one of the first and second pinions 40 and 42; At the same time, it is composed of a rack (44) connected to the gripper support (32) through a spring (43).

The first and second pinions 40 and 42 are set to be the same as each other.

The worm gear 37, the worm wheel 38, the drive gear 39, the first pinion 40, the intermediate gear 41, and the second pinion 42 are rotated by reversely rotating the motor 36. And the gripper support 32 reciprocates through the rack 44, and the gripper 27 integrally with the gripper support 32 is within the range of the stroke S ₁ as shown in FIG. It is made to move in the direction of arrow C and D. FIG.

At one end of the rack 44, a plate portion 45 of the same height as the main body 33b is spoken, and the length L of the rack 44 is shown in FIG. Is set to the same length as the sum of the length of the main body 33b and the length of the plate portion 45, and the maximum stroke is S ₂ during the third time.

This plate-shaped part 45 is engaged with the guide rail 34 of the inner side surface of the one side wall 1a of the board | substrate 1 with perturbation material.

The upper surface of the rack 44 contacts the lower surface of the main body 33b with perturbation material, and the cross section of the plate-shaped part 45 is folded with the end surface of the main body 33b.

The plate portion 45 is provided with first, second and third engagement portions 46, 47, and 48.

Then, when the rack 44 moves a predetermined amount in the direction of the arrow C from the initial position, the first engaging portion 46 engages with the lower end of the rotational arm 49, and through the rotational arm 49 the lock arm. (5) is rotated in the locking release direction, and the locking of the magazine 3 with respect to the magazine storage part 2 is released.

The pivotal arm 49 is pivotally pivoted on the outer surface of the magazine accommodating part 2 about the intermediate part thereof, and the upper end is connected to the lock arm 5.

In addition, when the rack 44 moves again in the direction of the arrow C, the second engaging portion 47 abuts on the engaging projection 50a of the eject plate 50, and the eject plate 50 is indicated by an arrow ( It moves to C) direction, and the magazine 3 accompanying this is extruded out of the magazine storage part 2.

Further, the third engagement portion 48 associated with the movement of the rack 44 in the direction of the arrow D from the initial position engages with the engagement end 6a of the release arm 6, which release arm 6 ) Can be rotated in one direction to release the engagement of the tray 4 with respect to the magazine compartment 2.

One end of the stopper lever 51 is pivotally rotatable on the upper edge of the drawing of one end surface of the magazine storage portion 2 (moving plate 7 side), and the other end of the stopper lever 51 And, in the long hole 52 of the other end of the moving plate 7, are pivotally connected and perturbable.

And the stopper lever 51 rotates with the movement of the moving plate 7, and when the magazine 3 is strongly stored in the magazine storage part 2, the tray 4 is inside the magazine 3; The stopper lever 51 prevents protruding to the moving plate 7 side from the side.

In addition, a cramp 53 is provided on the surface of the movable plate 7 to press the disk-shaped recording medium onto the turntable 19.

Moreover, inside the both side walls 7b and 7c of the moving plate 7, a tray guide groove 54 (only one side is shown) is provided as shown in FIG.

Next, the operation of the disc-shaped recording medium reproducing apparatus having the above configuration will be described with reference to FIGS.

In the stationary state, the gripping tool 27 is located along the gripping tool support 32 at the movement limiting position in the direction of the arrow C (the position indicated by the double-dotted line in the third direction), and the first pinion 40 is It engages with the rack 44. In such a state, when the magazine 3 is stored and loaded in the magazine storage portion 2, the magazine 3 is locked to the predetermined loading position in the magazine storage portion 2 by the lock arm 5, and at the same time, the release arm is loaded. By (6), the engagement of each tray 4 with respect to the magazine 3 is released.

In this way, when the magazine 3 is loaded in the magazine storage portion 2, the disc-shaped recording medium mounted on the desired tray 4 among the plurality of trays 4 arranged and arranged in the magazine 3 is reproduced. When the selection designating operation member (not shown) is operated, the motor 11 of the first moving mechanism 10 rotates in one direction, and the moving plate 7 moves on the semi-substrate 1 according to the arrangement direction of the tray 4. ) Side (arrow (A) side).

The holding | gripping tool 27 also moves integrally with this.

Then, when the moving plate 7 reaches the position corresponding to the selected designated tray 4 in the magazine 23, the detection mechanism (not shown) detects this and based on the detection signal, the first moving mechanism 10 Power supply from the motor 11 is interrupted, the movement of the tray 4 of the moving plate 7 in the arrangement direction (arrow A direction) is stopped, and the cutout of the selected tray 4 is cut out. The holding body main body 29 of the holding | gripping tool 27 is inserted in the engagement part 4a from the lower side in drawing, and it will be in the state of FIG. 4 and FIG.

Subsequently, the motor 36 of the second moving mechanism 35 is rotated in one direction based on the detection signal, and the rotational force thereof is the worm gear 37, the worm wheel 38, the drive gear 39, and the first pinion. It is transmitted to the rack 44 through 40, and the holding | gripping tool support 32 moves to the arrow D direction integrally with this rack 44. As shown in FIG.

As a result of this movement, as shown in FIG. 6, the third engagement portion 48 of the plate portion 45 abuts against the engagement end portion 6a of the tray release lever 6, whereby this tray release lever ( 6) rotates in one direction, and the engagement of the tray 4 with respect to the magazine 3 is released, and this tray 4 becomes the state which can be pulled out to the outside of the magazine 3.

In this state, the gripper main body 29 rotates in the counterclockwise direction during the fifth time, and engages with the notch engaging portion 4a of the tray 4 as shown in FIG.

Next, with the rack 44, the tray 4 engaged with the gripper main body 29 as the gripper support 32 moves in the direction of the arrow D is shown in FIG. 8 in the magazine 3. It is withdrawn and conveyed on the turntable 19 of the regeneration mechanism 16 as mentioned above. Then, the energization of the second moving mechanism 35 to the motor 36 is interrupted based on the detection signal at the detector port (not shown), and the movement of the gripper support 32 is stopped to the position indicated by the solid line during the third time. At the same time, the motor 11 of the first moving mechanism 10 is rotated in the opposite direction to the above, and the movable plate 7 is moved to the side of the substrate 1 (arrow B direction) so that the disc-shaped recording medium is moved. Is set on the turntable 19, the detector port (not shown) detects this, and the energization of the first moving mechanism 10 to the motor 11 is cut off based on the detection signal, and the arrow of the moving plate 7 Movement in the direction (B) stops.

Thereafter, the disc-shaped recording medium is pressed by the clamper 53 to the turntable 19, and is rotated integrally with the turntable 19, and the pickup 21 reads the information recorded on the disc-shaped recording medium. To be played.

When the stop operation member (not shown) is operated after the end of the regeneration operation, the reverse operation is performed as described above, and the tray 4 is stored in the predetermined position of the magazine 3, whereby the holding device 27 is moved. It stops and becomes an initial stop state.

Subsequently, when the eject operation member (not shown) is operated, only the rack 44 pulls the spring 43 integrally with the plate portion 45 with the rotation of the first pinion 40, and the arrow C Direction (in addition, since the gripper support body 32 is in contact with the stopper 55 as shown in FIG. 5, the movement in the direction of the arrow C is prevented at the initial position).

With this movement, since the first engaging portion 46 engages with the pivotal arm 49, the pivotal arm 49 rotates counterclockwise during the fourth time, and with this the lock arm 5 moves in one direction. It rotates by and releases the latch of the magazine 3 with respect to the magazine accommodating part 2 (state of FIG. 9).

In this state, the plate-like portion 45 moves in the direction of the arrow C integrally with the rack 44, and the second engaging portion 47 engages with the engaging projection 50a of the eject plate 50. The magazine 3 is extruded to the outside of the magazine housing 2 as shown in FIG.

When the gripper support body 32 is at the stop position together with the gripper 27, only the first pinion 40 is engaged with the rack 44, and at the intermediate position between the stop position and the regeneration position. Both pinions 40 and 41 engage with the rack 44, and only the second pinion 42 engages with the rack 44 when in the regenerating position.

As described above, the present invention engages a desired tray among a plurality of disc-shaped recording medium placing trays arranged in multiple stages in a magazine to a gripper which is freely mounted to the gripper support in a tray arrangement direction, and the gripper supporter A recording medium conveying mechanism of a disk-type recording medium reproducing apparatus, which is moved to convey a desired tray to a reproducing mechanism and mounts a disc-shaped recording medium on the reproducing mechanism, wherein a plurality of same diameters are provided in a conveying direction of the disc-shaped recording medium. Pinions are arranged at intervals, and the pinion is rotated in the same direction by a rotation coupling mechanism, and the gripping support is provided with a rack which always engages at least one of the plurality of pinions. It is characterized by.

Thus, since the rack, which always engages with the pinion, moves integrally with the gripper support, the actual length of the rack is shortened while the required stroke of the gripper support is obtained.

Claims (1)

Of the plurality of disc-shaped recording medium placing trays 4 arranged in the magazine 3 in a plurality of stages, the desired trays are engaged with the grippers 27 which are mounted on the gripper support 32 so as to move in the tray arrangement direction. Transfer the recording medium of the disc recording medium reproducing apparatus by moving the gripper support 32 to transfer the desired tray 4 to the reproducing mechanism, and to mount the disc recording medium to the reproducing mechanism 16. In the mechanism, a plurality of pinions (40, 42) having the same diameter are arranged at intervals in the conveying direction of the disc-shaped recording medium, and the pinions (40, 42) are interlocked in the same direction by a rotation coupling mechanism. And a rack 44 which is rotated and which is always engaged with at least one of the plurality of pinions 40 and 42 in the gripper support 32. Transfer of a recording medium of a disk-type recording medium reproducing apparatus group phrase.