JPH0325337Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention automatically takes out a desired video disc from among a plurality of video discs stored in a storage shelf and sets it in a playback device. In an automatic video disc playback device that enables automatic continuous playback and automatic recall of necessary data, it is possible to selectively take out multiple video discs stored in a storage shelf and transport them to the playback device, or from the playback device. This invention relates to a disk transport device that returns a disk to a storage shelf position.

[Prior art]

Conventionally, when you want to play back desired information recorded on a video disc, you find the video disc from a storage shelf and play it back as an image on a display device such as a television receiver connected to a playback device. ing.

In order to automatically find the disc from the storage shelf and set the disc in the playback device, the free end can be opened and closed and can be rotated half a turn so that the left and right positions are interchanged. 2. Description of the Related Art An automatic video disc playback device has already been provided which includes a disc transport device in which a pair of left and right gripping arms are provided at the front of a carriage that can move vertically and longitudinally.

[The problem that the idea aims to solve]

The video disc automatic playback device as mentioned above is
With the disc holding cap of the player open upward, a disc must be set in the player using a disc transport device, and then the cap must be closed, making it cumbersome to link the opening/closing of the cap with the transport of the disc. At the same time, the equipment was complicated.

The purpose of the present invention is to provide an arm portion supporting a disc holding cap at the front end to the carriage together with the gripping arm in such a way that the cap faces one side of the center of the video disc located on the gripping arm. To provide a disk transport device in an automatic video disk playback device, which allows the recorded contents of the disk to be played back immediately by slightly lowering the carriage at the same time as or after setting the disk in the video playback device. It's about doing.

[Means to solve the problem]

In order to achieve the above object, the device of the present invention selectively takes out a plurality of video discs stored in a multi-stage storage shelf, and mounts them on a turntable in a playback device from a direction perpendicular to the surface of the turntable. A disc transport device for an automatic video disc playback device, which is adapted to take out a disc from a turntable and return it to a storage shelf, wherein the carriage moves between the playback device and the storage shelf in the front-rear direction and the vertical direction. A pair of left and right gripping arms capable of gripping a video disk are attached to the carriage, and a center portion of the video disk gripped by the gripping arms is attached to the front end of the arm portion extending forward from the center portion of the carriage. A disk holding cap is provided on the opposite side, which presses the video disk against the turntable and holds it rotatably when the video disk is set on the turntable of the playback device.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings.

1 to 3, a pair of left and right columns 2,
2 is permanently installed.

The pillar 2 has a U-shaped notch 3a that opens rearward.
The front part of the shelf board 3 having a front part is fixed.

A multi-stage storage shelf 4 is formed by providing a plurality of such shelf boards 3 in the vertical direction on the support 2. On both sides of a video disk (hereinafter simply referred to as a disk) 5 placed on each shelf board 3, image signals of, for example, a movie are recorded in a spiral or a perfect circle.

A door 8 is hinged to a front plate 7 of a box body 11 with a hinge 9.

The disk 5 has an outer diameter slightly larger than the width of the shelf board 3, and has an appropriate position on its side edge abut against a protruding piece 3b formed upward at the rear corner of the shelf board 3. position.

A pair of guide columns 12 and 13 having an inward U-shaped planar shape are erected on both sides of the box body 11, and commercially available slide packs 14 and 15 are attached to each of the guide columns 12 and 13. has been done.

An elevating member 16 having a forward U-shape in plan view is provided inside the box body 11. This elevating member 16 includes a pair of left and right guide rails 17 and 18 that have an inward U-shaped cross section and face in the front and back direction, and both rails 17 and 18.
8 and a connecting member 19 connecting the rear end portions of the two.

On the outer surface of the front part of the guide rails 17 and 18,
The slide packs 14 and 15 are fixed thereto, and a pair of vertically oriented feed screws 21 and 22 are screwed near the left and right ends of the connecting member 19.

The feed screws 21 and 22 are pivotally connected to the upper plate 23 and lower plate 24 of the box body 11 via bearings 25, and are driven and synchronously driven by an endless chain or the like connected to a motor (not shown). It is supposed to rotate.

Note that if either one of the feed screws 21, 22 is formed as a left-handed thread, when the elevating member 16 moves up and down due to the rotation of the feed screws 21, 22, the force in the direction that causes the both ends of the elevating member 16 to oscillate laterally is applied. can be prevented from acting on the elevating member.

As another method for raising and lowering the lifting member 16, a pulley is provided at the upper part of the box body 11, one end of a wire hooked to the pulley is locked to the lifting member 19, and the other end is connected to a balance weight (not shown). The wire may be locked and driven by a motor (not shown).

A slide pack 2 is provided on the outer surface of the left and right arms 27, 28 of the carriage 26, which has a forward U-shaped planar shape.
9 and 31 are fixed to each other, and each slide pack 29 and 31 is slidably mounted within the guide rails 17 and 18 of the elevating member 16, respectively.

A driving device is provided below the guide rail 17, and includes a pair of pulleys around which an endless wire is wound, and a motor (both not shown) that drives the pulleys. The carriage 26 is moved back and forth by rotating the motor in the forward and reverse directions while the motor is locked in the carriage 26.

A flange 3 is attached to the front end of a horizontal rotating shaft 32 facing forward, which is provided at the center of the inner front surface of the carriage 26.
3 is provided, and the center portion of a rotating member 34 facing in the left-right direction is fixed to the front surface of this flange 33.

The rear portions of a pair of forward-facing gripping arms 35 and 36 are pivotally attached to the left and right ends of the rotating member 34 with vertical axes.
The force of a spring (not shown) gives the front end the ability to rotate in the opening direction.

Grip members 37 and 38 are fixed to the inner surfaces of the front ends of the grip arms 35 and 36. Each gripping member 3
A concave portion (not shown) having a shallow V shape in plan view is formed on the inner surface of each of the concave portions 7 and 38 facing inward.

The wires 39 and 41, whose one ends are locked to the gripping arms 35 and 36, respectively, pass through holes (not shown) drilled in the rotating member 34, the flange 33, the shaft 32, etc., and then are connected to the motor provided in the carriage 26. The drive unit (not shown) is connected to a drive unit (not shown) including a drive unit (not shown). By forward and reverse rotation of the motor of this drive unit, the gripping arms 35, 3
The front end of 6 can be opened and closed.

The horizontal rotating shaft 32 is connected to another drive unit including a motor, and when a command is given by a control device (not shown), the motor rotates in forward and reverse directions.

When the motor rotates the horizontal rotation shaft 32 by half a turn and the left and right positions of the grips 37 and 38 are swapped, a detection device (not shown) detects the rotation of the rotation member 34, and the motor rotates. The rotation of is now stopped.

A rear end of a horizontal arm portion 42 is fixed to the front surface of the flange 33 above the rotating member 34 . A disk holding cap (hereinafter simply referred to as a cap) 43 is fixed to the back surface of the arm portion 42 and can rotate while pressing the center portion of the surface of the disk 5 as will be described later. The outer diameter of the cap 43 is smaller than the width of the notch 3a in the side plate 3.

Approximately in the center of the bottom plate 24 of the box body 11 is a video disc playback device (hereinafter simply referred to as a player) 4.
4 is fixed. The rotation axis 46 of the turntable 45 of the player 44 is arranged to coincide with the axis of the center of the cap 43 when the carriage 26 is at the rearmost position.

Next, the operation of the disc transport device in the video disc automatic playback apparatus configured as described above will be explained.

After selecting the disk 5 in the storage shelf 4 and the recording surface of the selected disk using various operation buttons 49 on the operation panel 48,
When a start button (not shown) is pressed, the pulleys rotate, causing the feed screws 21 and 22 to rotate, and the elevating member 19 moves up and down to a position corresponding to a predetermined disk 5, as shown in FIG.

Next, the carriage 26 moves forward as shown by the arrow 51 in FIG.
8 are located on both sides of the disk 5, the carriage 26 stops.

In this state, the motors of the drive parts of the gripping arms 41 and 42 rotate, and both gripping arms 35 and 3
6 in the closing direction as shown by arrows 52 and 53 in FIG.
Both sides of the disk 5 are pressed.

With the disk 5 being gripped by the gripping members 37 and 38, the carriage 26 is moved in the direction indicated by the arrow 54 in FIG.
As shown in , the rear edge of the disk 5 is removed from the protruding piece 3b of the shelf board 3 by rising slightly.

In this state, the carriage 26 moves rearward as shown by the arrow 55 in FIG. 5, and as shown in FIG.
It stops in a state where it coincides with the axis 56 of the shaft 46.

Thereafter, the carriage 26 moves toward the arrow 58 in FIG.
As shown in , it descends from the position indicated by the chain line and stops when the disk 5 begins to fit into the shaft 46 .

In this state, both gripping arms 35, 36
rotates as shown by arrows 59 and 61 in FIG. 8 to release the disk 5.

After releasing the disk 5, the carriage 26, which is in the solid line position in FIG. 7, is slightly lowered as indicated by the arrow 62. By this lowering, the cap 43 lightly presses the disk 5 against the turntable 45, ensuring that the disk 5 is mounted on the turntable 45.

The disk 5 that has finished playing in the player 44 is held by the gripping arms 35 and 36 and the carriage 2.
6 performs the opposite operation to the above,
It is returned to the predetermined shelf board 3.

The conveying action of the disk described above is as follows: disk 5
The disc 5 is set in the player 44 with its front side (side A) facing upward, but the disc 5 is set in the player 44 with its back side (side B) facing upward. The conveying action will be explained with reference to FIGS. 9 to 11.

After the carriage 26 has moved up and down to a position corresponding to the desired disk 5 as shown in FIG. should face upward as shown in FIG.

In this state, the carriage 26 moves in the direction of the arrow 51 and stops at a predetermined position as shown in FIG. .

When the carriage 26 sequentially moves in the directions of arrows 54 and 55 shown in FIG. 10 and returns to the position shown by the chain line in FIG.
Then, as shown by the arrow 63, the cap 43 is rotated half a turn in the opposite direction to the above, and the cap 43 is turned downward as shown by the chain line in FIG.

In this state, the disk 5 has been rotated by half a rotation, so that the B side of the disk 5 faces upward.

Thereafter, by the same actions as described above, such as movement of the carriage 26 in the direction of arrow 58, opening and expansion of the gripping arms 35 and 36, and movement of the carriage 26 in the direction of arrow 62, the disk 5 is moved upward with surface B. It is set on the player 44 with the player 44 facing toward the camera.

When the carriage 26 moves up in the direction of the arrow 54 with the disk 5 held in the position shown in FIG. , cap 4
3 will not interfere with the shelf board 3.

After the reproduction of the image information on the B side is completed, the disk 5 is rotated half a turn by acting in the opposite manner to the above actions, and the disk 5 is returned to the shelf board 3 with the A side facing upward. .

[Effect of idea]

According to the present invention, the following effects can be achieved.

(a) After the disc is set in the player, the contents recorded on the disc can be quickly played back immediately or by simply lowering the carriage slightly thereafter.

(b) Since the disc holding cap is integrated with the gripping arm and attached to the carriage of the disc transport device, the disc holding cap does not interfere with the installation of a disc into the playback device or the removal of a disk from the playback device. There isn't.

(c) Since the disk holding cap moves together with the carriage in the disk transport device, for example, a disk holding cap dedicated to moving the disk holding cap, such as a conventional disk holding cap attached to a playback device so as to be openable and closable, may be used. There is no need to provide a driving means.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of the external appearance of a video disc playback device equipped with the disc transport device of the present invention, FIG. 2 is a cross-sectional plan view of the disc transport device showing an embodiment of the present invention, and FIG. The sectional view taken along the line A-A in FIG.
6 is a plan view of FIG. 5, FIG. 7 is a side view of the cartridge and the playback device in a disk gripping state, and FIG. 8 is a side view of the carriage section and shelf board.
The plan view of FIG. 7 and FIGS. 9 to 11 are other operational views of the main parts of the disk transport device.
10 and 10 are side views of the carriage section and the shelf board, and FIG. 11 is a side view of the carriage section and the playback device in a disk gripping state. DESCRIPTION OF SYMBOLS 1... Video disc automatic playback device, 2... Support, 3... Shelf board, 4... Storage shelf, 5... Video disc, 7... Front plate, 8... Door, 9... Hinge, 11... ...Box body, 12, 13...Guide support,
14, 15... Slide pack, 16... Lifting member, 17, 18... Guide rail, 19... Connection member, 21, 22... Feed screw, 23... Top plate,
24... Bottom plate, 25... Bearing, 26... Carriage, 27, 28... Arm, 29, 31... Slide pack, 32... Horizontal rotating shaft, 33... Flange, 34... Rotating member, 35, 36...Gripping arm, 37, 38...Gripping member, 39, 41...Wire, 42...Arm portion, 43...Cap, 44...
...Playback device (player), 45... Turntable, 46... Axis, 48... Operation panel, 49...
Operation buttons, 51, 52, 53, 54, 55...
Arrow, 56... Axis line, 58, 59, 61, 62,
63...Arrow.

Claims (1)

[Claim for Utility Model Registration] A method of selectively taking out a plurality of video discs stored in multi-stage storage shelves and mounting them on a turntable in a playback device from a direction perpendicular to the surface of the turntable, or removing the discs from the turntable. A disc transport device for an automatic video disc playback device that takes out a video disc and returns it to a storage shelf, in which a video disc is placed in a carriage that moves back and forth and up and down between the playback device and the storage shelf. A pair of left and right gripping arms capable of gripping the video disk are attached, and the front ends of the arms extending forward from the center of the carriage face the center of the video disc gripped by the gripping arms, and 1. A disk transport device for an automatic video disk playback device, characterized in that a disk holding cap is provided for pressing the video disk against the turntable and rotatably holding the video disk when the video disk is set on the turntable of the playback device.