JP3902316B2 - Disk holding device and disk changer device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a disk holding device for holding a disk, and a disk changer device using the disk holding device.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, as disclosed in, for example, Japanese Patent Laid-Open No. 2-201771, a configuration of a disk changer device that selectively reproduces a disk such as a compact disk or a video disk is known.
[0003]
In this disk changer device, a plurality of trays loaded with disks are detachably stacked in a magazine section, and at the time of disk selective reproduction, the disk transport mechanism takes out the tray of the selected disk from the magazine section and removes the tray. It is transported to the drive mechanism with the disc mounted. In the drive mechanism, the disk placed on the conveyed tray is reproduced. Further, after reproduction, the disc transport mechanism transports the tray from the drive mechanism to the magazine portion with the disc mounted and returns it to the original location.
[0004]
[Problems to be solved by the invention]
However, conventionally, when a disk is transported, the tray on which the disk is placed is transported, and there is no structure for directly holding and transporting the disk.
[0005]
Therefore, a disc changer device having a disc replacement function cannot adopt a general-purpose drive mechanism having a tray type disc loading mechanism used in a general compact disc player such as a video disc player. It is necessary to use a dedicated drive mechanism or modify a general-purpose drive mechanism.
[0006]
The present invention has been made in view of the above points, and a disk holding device that can directly hold a disk by using the peripheral position of the center hole of the disk, and a general-purpose drive mechanism using the disk holding device. It is an object of the present invention to provide a disk changer device that can use the disk.
[0007]
[Means for Solving the Problems]
The disc holding device according to claim 1 is provided with a centering mechanism having a base and a centering guide that is provided so as to be able to advance and retreat from the base toward the disc side, and that enters the center hole from one side of the disc to center the disc. A disc table provided on the base and capable of engaging with a peripheral position of a center hole on one side surface of the disc; and provided so as to be able to advance and retreat from the base toward the disc side. And a clamp mechanism having a clamp body that engages with a peripheral position of a center hole on the other side surface of the disk and clamps the disk between the disk table, and a forward and backward movement of the centering guide of the centering mechanism provided on the base Interlocking machine that interlocks the advance and retreat of the clamp body of the clamp mechanism When provided on the base, provided with a single drive source for driving the interlocking mechanism, the centering guide is divided into a pair, the clamping member is intended to be placed between a pair of centering guide.
[0008]
With this configuration, the centering guide enters the center hole of the disc to center the disc, and the clamp body enters the center hole from one side of the disc and engages with the peripheral position of the center hole on the other side of the disc. Because the peripheral position of the center hole of the disk is sandwiched between the clamp body and the disk table, the disk is directly centered using the peripheral position of the disk center hole without damaging the data surface of the disk. It can be retained. Moreover, only one drive source for driving the interlocking mechanism is required, and the configuration is simplified. Furthermore , centering and holding can be performed at a time using the small center hole of the disk.
[0009]
Disk holding device according to claim 2, wherein, in the disk holding apparatus of claim 1 Symbol placement, the clamp bodies are respectively rotatably supported by a pair of support shafts arranged parallel to the clamping of the axles with one another The disk is rotated in the reverse direction and moved back and forth in the center hole of the disc, so that the holding using the center hole of the disc can be reliably performed.
[0010]
The disc changer device according to claim 3 has a magazine section having a plurality of magazine trays on which discs are placed, a drive mechanism having a drive tray on which discs are placed, and drives the discs, and a disc holding device according to claim 1 or 2. A disk transport mechanism for transporting a disk between the magazine section and the drive mechanism, both the disk on the magazine tray of the magazine section and the disk on the drive tray of the drive mechanism, It is possible to hold and carry the disk placed on the tray, and to use a general-purpose drive mechanism.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0012]
FIG. 1 shows the clamp mechanism as a main component, and is an explanatory diagram for explaining the clamp operation in the order of (a) to (c). FIG. 2 shows a plan view showing the clamp mechanism as a main component, FIG. 3 shows a centering mechanism as a main component, FIG. 4 is a plan view mainly showing a centering mechanism, FIG. 5 shows a disk changer device, (a) is a plan view, and (b) is a front view. It is. 5 (a) is a front part, the upper part is a rear part, the left side is a left part, and the right side is a right part.
[0013]
In FIG. 5, the disk changer device includes a magazine unit 1, a drive mechanism (not shown), and a disk transport mechanism 2.
[0014]
In the magazine unit 1, a plurality of magazine trays 11 are stacked in parallel in the vertical direction in a horizontal state, and each magazine tray 11 is configured to be able to be pulled out to the front disk transport mechanism 2 side. A notch 12 is formed from the center of each magazine tray 11 to the front edge to serve as a relief for a disk holding device to be described later. On each magazine tray 11, a disc D such as a video disc or a compact disc having a center hole h at the center is placed in a horizontal state.
[0015]
Further, the drive mechanism is constituted by, for example, a general-purpose drive mechanism having a tray type disk loading mechanism, the main body portion of the drive mechanism is disposed below the magazine portion 1, and the drive tray of the drive mechanism is moved from the main body portion. The disk transport mechanism 2 is configured to be able to advance and retract. In this drive mechanism, the disk D can be transferred by the disk transport mechanism 2 on the drive tray. During driving, the disk D on the drive tray is moved to the drive position in the main body by the loading operation of the drive tray. The disk D is clamped on the turntable and rotated, and pickup is performed.
[0016]
Further, the disc transport mechanism 2 has a carriage 21, which is supported by the moving mechanism 22 so as to be movable in the vertical direction along the front surface of the magazine unit 1, and corresponding to the selected magazine tray 11. And moved to a position corresponding to the drive mechanism.
[0017]
The carriage 21 is equipped with a take-out mechanism 23 that takes out the magazine tray 11 in the magazine unit 1 forward, and a loading mechanism 24 that draws the taken-out magazine tray 11 to a predetermined position on the carriage 21. The loading mechanism 24 can also return the magazine tray 11 into the magazine unit 1.
[0018]
A plate-like base 25 is disposed substantially horizontally above a predetermined position where the magazine tray 11 is pulled into the carriage 21, and a disk holding device 26 is mounted on the base 25. The disk holding device 26 is a centering mechanism 27 for centering the disk D, a clamp mechanism 28 for clamping the disk D, an interlocking mechanism 29 for interlocking the centering mechanism 27 and the clamp mechanism 28, and a drive source for driving the interlocking mechanism 29. Motor 30 and so on.
[0019]
Next, in FIGS. 1 to 4, an opening 31 is formed in the center of the base 25 corresponding to the center hole h of the disk D drawn into a predetermined position in the carriage 21. A pair of guide shafts 32 is erected on the edge.
[0020]
As shown in FIGS. 3 and 4, the centering mechanism 27 has a centering plate 33 that can move forward and backward in the opening 31 of the base 25, and the centering plate 33 is engaged with each guide shaft 32 so as to be movable up and down. It is supported via guide portions 34 on both sides. A window hole 35 is formed in the center of the centering plate 33, and a pair of centering guides 36 are attached to the front and back lower edge portions of the window hole 35. The peripheral edge of each centering guide 36 is formed into a curved surface that can enter and engage with the center hole h of the disk D and can be centered, and the tip side is formed into a tapered surface that guides entry into the center hole h. Yes. A cam roller 37 is rotatably supported on each guide portion 34 at a symmetrical position on the front and rear surfaces.
[0021]
The centering mechanism 27 is formed in a point-symmetric positional relationship with respect to the centering center O.
[0022]
Further, as shown in FIGS. 1 and 2, the clamp mechanism 28 has a disk table 38 attached to the peripheral edge of the opening 31 in the lower surface of the base 25, the disc table 38, the elastic, such as rubber It is made of a material and can be engaged with a peripheral position of the center hole h on the upper surface of the disk D.
[0023]
A hand plate 39 of the clamp mechanism 28 is fixed between the upper ends of the pair of guide shafts 32. A support portion 40 projects downward from the center of the hand plate 39, and a pair of clamp hands 41 as a clamp body are pivotally supported by a support shaft 42 at symmetrical positions on the front and rear surfaces of the support portion 40. ing. Each clamp hand 41 is pivotally supported by a support shaft 42 at its intermediate portion, and a substantially L-shaped hand portion 43 is formed at one end (tip), and the cam roller 44 is rotatably supported at a symmetrical position on the front and rear surfaces of the other end. Has been. Between the other end of each clamp hand 41 and the hand plate 39, a spring 45 that urges the tip of the hand portion 43 to rotate outward from the centering center O side downward is stretched. .
[0024]
The clamp mechanism 28 is formed in a point-symmetric positional relationship with respect to the centering center O.
[0025]
The interlocking mechanism 29 has a pair of slide plates 46 disposed on both the front and rear sides of the opening 31 on the base 25, and each slide plate 46 is laterally moved by a plurality of slide shafts 47 attached to the base plate 25. It is slidably attached to. Racks 48 are formed at opposite edges of the slide plates 46, and cam portions 49 are projected.
[0026]
Centering cam grooves 50 with which the cam rollers 37 of the centering guide 36 (guide portion 34 of the centering plate 33) are respectively engaged are formed on the inner surfaces of the cam portions 49 of the slide plates 46 facing each other. Clamping cam grooves 51 with which the cam rollers 44 of the hand 41 are respectively engaged are formed. The shape of the cam grooves 50 and 51 controls the vertical movement of the centering guide 36 and the rotation of the clamp hand 41, which will be described later.
[0027]
A drive gear 52 that meshes with each rack 48 is rotatably supported between the pair of slide plates 46, and the rotational drive force from the motor 30 is transmitted to the drive gear 52. Therefore, as the drive gear 52 rotates, the pair of slide plates 46 are moved in directions opposite to each other.
[0028]
The interlocking mechanism 29 is formed in a point-symmetric positional relationship with respect to the centering center O.
[0029]
Further, a detection window 61 is formed at the side of the opening 31 of the base 25, and a clamp detection lever 62 is pivotally supported by a support shaft 63 so as to be swingable corresponding to the position of the detection window 61. The clamp detection lever 62 is biased by a spring 64 so as to protrude downward through the detection window 61. Then, when the clamp detection lever 62 is pushed against the bias by the clamped disk D at the time of the disk clamp described later, the pressing is detected by a sensor (not shown) so as to detect the clamping of the disk D. It is configured.
[0030]
Next, the operation of the present embodiment will be described.
[0031]
First, the overall operation of the disc changer apparatus will be described with reference to FIG.
[0032]
The carriage 21 of the disc transport mechanism 2 is moved up and down in the front area of the magazine portion 1 and stopped at a position corresponding to the magazine tray 11 of the selected disc D. The magazine tray 11 is pushed forward by the take-out mechanism 23 of the carriage 21, and the front end of the magazine tray 11 is inserted into the loading mechanism 24, and the magazine tray 11 is pulled to a predetermined position of the carriage 21 by the loading mechanism 24. It is.
[0033]
In this state, the disk holding operation by the disk holding device 26 is performed. That is, the centering mechanism 27 and the clamp mechanism 28 are operated through the interlocking mechanism 29 by driving the motor 30, and the disk D placed on the magazine tray 11 is centered and lifted upward from the magazine tray 11 and held. The
[0034]
When the disk D is held by the disk holding device 26, the magazine tray 11 is returned into the magazine unit 1 by the loading mechanism 24.
[0035]
Thereafter, the carriage 21 is lowered and stopped at a position corresponding to the drive mechanism, the holding of the disk D by the disk holding device 26 is released, and the disk D is received on the drive tray advanced below the disk holding device 26. Passed.
[0036]
In the drive mechanism, the disk D on the drive tray is moved to the drive position in the main body by the loading operation of the drive tray, and the disk D is clamped and rotated by the turntable and picked up.
[0037]
On the other hand, in order to return the disk D of the drive mechanism to the magazine unit 1, the drive tray is advanced from the main body part below the disk holding device 26, and the disk D on the drive tray is held by the disk holding device 26.
[0038]
The carriage 21 is raised and moved to the corresponding magazine tray 11 position. The corresponding magazine tray 11 is moved to a predetermined position on the carriage 21 by the take-out mechanism 23 and the loading mechanism 24. The disk holding operation by the disk holding device 26 is released, the disk D is transferred onto the magazine tray 11, and the magazine tray 11 is returned to the magazine unit 1 by the loading mechanism 24.
[0039]
Next, the disk holding operation by the disk holding device 26 will be described with reference to FIGS.
[0040]
The disk holding device 26 sets the positions shown in FIGS. 1 (a), 2, 3 (a) and 4 as the initial position, that is, the holding release position. At this holding release position, each slide plate 46 is positioned at the holding release position, so that the centering guide 36 is raised and the clamp hand 41 is rotated against the bias of the spring 45 to move the hand portion 43. Is retracted upward. Further, the tip of the clamp detection lever 62 protrudes below the base 25 through the detection window 61.
[0041]
Then, with the disk holding device 26 positioned above the magazine tray 11 or the drive tray, the drive gear 52 is rotated by the drive of the motor 30, and each slide plate 46 is moved in the direction of the arrow in FIGS. When moved, the clamping operation is started.
[0042]
As shown in FIG. 3 (b), the centering guide 36 is lowered through the engagement between the centering cam groove 50 of the slide plate 46 and the cam roller 37 during the movement process (middle stage of movement) of each slide plate 46. The centering guide 36 is engaged with the center hole h of the disk D from above, and centers the disk D on the tray.
[0043]
At the same time, as shown in FIG. 1 (b), each clamp hand 41 has the support shaft 42 as a fulcrum by the bias of the spring 45 through the engagement of the cam groove 51 and the cam roller 44 of each slide plate 46. The cam part 43 of each clamp hand 41 is lowered and enters the center hole h of the disk D from above.
[0044]
Further, when each slide plate 46 is moved to the holding position, as shown in FIG. 1 (c), the hand portion 43 of each clamp hand 41 rotated about the support shaft 42 becomes the center hole of the disk D. The disk D protrudes to the lower surface side through h, engages with the peripheral position of the center hole h on the lower surface of the disk D, pushes up the disk D, and the disk D is clamped between each clamp hand 41 and the disk table 38.
[0045]
At this time, as shown in FIG. 3 (c), the centering guide 36 is lifted together with the disk D pushed up by each clamp hand 41 through the engagement between the cam groove 37 and the centering cam groove 50 of the slide plate 46. Is done. Therefore, the centering state of the disk D is maintained until the disk D is clamped between each clamp hand 41 and the disk table 38.
[0046]
When the disk D is clamped between the clamp hands 41 and the disk table 38, the clamp detection lever 62 is pushed up by the disk D, and the completion of the holding of the disk D is detected.
[0047]
Since the disk D is held at the position lifted by the clamp hand 41, the magazine tray 11 can be moved back and forth.
[0048]
On the other hand, when releasing the holding of the disk D, the operation is performed in the reverse of the disk holding operation. That is, each slide plate 46 is moved in the direction opposite to that during the disk holding operation, the hand portion 43 of each clamp hand 41 is lowered, and the disk D is transferred onto the tray. At this time, since the centering guide 36 is lowered together with the disk D and the centering state of the disk D is maintained, the disk D can be accurately set on the tray. Thereafter, each clamp hand 41 and centering guide 36 are retracted above the center hole h of the disk D and returned to the holding release position which is the initial position.
[0049]
As described above, the centering guide 36 enters the center hole h of the disk D to center the disk D, and each clamp hand 41 enters the center hole h from the upper surface of the disk D and is centered on the lower surface of the disk D. engages around the position of the hole h, in order to sandwich the peripheral position of the center hole h of the disk D between the respective clamp hands 41 and the disk table 38, without damaging the data side of the disc D, the disc D The disk D can be directly held in the centered state by utilizing the peripheral position of the center hole h.
[0050]
Further, since the interlocking mechanism 29 interlocks the advance / retreat of the centering guide 36 of the centering mechanism 27 and the advance / retreat of each clamp hand 41 of the clamp mechanism 28, only one motor 30 is required to drive the interlock mechanism 29, thus simplifying the configuration. Can be
[0051]
Furthermore, since the centering guide 36 is divided into a pair and each clamp hand 41 is disposed between the pair of centering guides 36, the centering and holding can be performed at a time using the small center hole h of the disk D.
[0052]
Further, each clamp hand 41 is rotatably supported by a pair of support shafts 42 arranged in parallel, and each clamp hand 41 of each support shaft 42 is rotated in the opposite direction to advance and retract into the center hole h of the disk D. Therefore, the disk D can be reliably held using the center hole h.
[0053]
In addition, by using the disk holding device 26 in the disk transport mechanism 2 of the disk changer device, the disk D on the magazine tray 11 of the magazine unit 1 and the disk D on the drive tray of the drive mechanism are placed on these trays. The disc D can be held and transported, and a general-purpose drive mechanism can be used.
[0054]
The disk holding device 26 can be applied not only to the disk changer device but also to a device that handles the disk D, and the same effect can be obtained.
[0055]
【The invention's effect】
According to the disk holding device of the first aspect, the centering guide enters the center hole of the disk to center the disk, and the clamp body enters the center hole from one side of the disk to the center on the other side of the disk. engages around the position of the holes, use of this order sandwiching the peripheral position of the disk center hole between the clamp body and the disk table, without damaging the data side of the disc, the peripheral position of the center hole of the disk Thus, the disc can be held directly in the centering state. In addition, since the advancement / retraction of the centering guide of the centering mechanism and the advancement / retraction of the clamp body of the clamp mechanism are interlocked by the interlocking mechanism, only one drive source is required to drive the interlocking mechanism, and the configuration can be simplified. Furthermore , since the centering guide is divided into a pair and the clamp body is disposed between the pair of centering guides, the centering and holding can be performed at a time using the small center hole of the disk.
[0056]
According to the disk holding apparatus according to claim 2, in addition to the effects of the disk holding apparatus of claim 1 Symbol placement, each supported rotatably on a pair of support shafts which are arranged in parallel with the clamp body, each supporting Since the clamp body of the shaft is rotated in the opposite direction to advance and retreat into the center hole of the disk, the holding using the center hole of the disk can be reliably performed.
[0057]
According to the disk changer device described in claim 3, since the disk holding device according to claim 1 or 2 is used for the disk transport mechanism, both the disk on the magazine tray in the magazine section and the disk on the drive tray in the drive mechanism A disk placed on the tray can be held and transported, and a general-purpose drive mechanism can be used.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram illustrating a clamp operation in the order of (a) to (c), mainly showing a clamp mechanism according to an embodiment of the present invention.
FIG. 2 is a plan view showing the clamp mechanism as a main component.
FIG. 3 is an explanatory diagram illustrating the centering operation in the order of (a) to (c), showing the centering mechanism as the main body.
FIG. 4 is a plan view mainly showing the centering mechanism.
5A and 5B show the disk changer device according to the first embodiment, wherein FIG. 5A is a plan view and FIG. 5B is a front view.
[Explanation of symbols]
1 Magazine section 2 Disc transport mechanism
25 base
26 Disk holding device
27 Centering mechanism
28 Clamp mechanism
29 Interlocking mechanism
30 Motor as drive source
36 Centering guide
38 Disc table
41 Clamp hand as a clamp body
42 Spindle D Disk h Center hole

Claims (3)

Base and
A centering mechanism having a centering guide which is provided so as to be able to advance and retreat from the base to the disk side and which enters the center hole from one side of the disk to center the disk;
The disc table is provided on the base and can be engaged with the peripheral position of the center hole on one side of the disc. The disc table can be moved forward and backward from the base toward the disc, and enters the center hole from one side of the disc. And a clamp mechanism having a clamp body that engages with a peripheral position of the center hole on the other side surface of the disk and clamps the disk between the disk table,
An interlocking mechanism that is provided on the base and interlocks the advancement / retraction of the centering guide of the centering mechanism and the advancement / retraction of the clamp body of the clamp mechanism;
A drive source provided on the base and driving the interlocking mechanism;
Centering guide is divided into a pair, the clamping body characteristics and to Lud disk holding device to be arranged between a pair of centering guide. Clamp bodies are respectively rotatably supported on a pair of support shafts arranged parallel to, claim 1, the clamping bodies of each shaft are reverse rotated together, characterized in that it is moved in the center hole of the disk serial mounting of the disk holding device. A magazine section having a plurality of magazine trays on which discs are placed;
A drive mechanism having a drive tray for loading the disc, and for driving the disc;
Has a disk holding device according to claim 1 or 2, the disk changer apparatus characterized in that it comprises a disk transport mechanism for transporting the disk between the magazine unit and the drive mechanism.

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