JPH0749654Y2 - Cassette Auto Engineer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in the following order.

A Industrial field of use B Outline of device C Conventional technology D Problem to be solved by device E Means for solving the problem F Action G Example G ₁ Description of the entire cassette automaker (Fig. 4 and Fig. 4) Fig. 5) Explanation of the cassette extrusion mechanism of the G ₂ cassette transfer machine (Figs. 1 to 3C) H Effect of the invention A Industrial field of application This invention is, for example, a continuous video playback for a long time at a television broadcasting station. The present invention relates to a cassette auto optimum for recording and recording.

B Outline of the Invention The present invention provides a plurality of cassette storage shelves each storing a cassette, a recording / reproducing device for recording or reproducing the cassette, and a cassette between the selected cassette storage shelf and the recording / reproducing device. In a cassette autochanger equipped with a cassette transfer device that is moved from one side to the other and loaded, a cassette transfer belt and a cassette push-out member are provided in a cassette housing portion of the cassette transfer device,
A drive guide mechanism for the cassette pushing member is configured by a pinion driven by a motor, a substantially L-shaped rack driven by the pinion, and a guide groove having a shape substantially symmetrical to the rack, and the cassette is formed. Almost at the same time when the transfer to the outside of the cassette housing portion is completed by the cassette transfer belt, the cassette pushing member is inserted from the outside of the cassette housing portion to the inside by the drive by the rack and the guide by the guide groove. Inside the cassette housing part, the cassette pushing member is moved in parallel with the moving direction of the cassette,
By configuring this cassette to be loaded into the selected storage rack or recording / reproducing apparatus, the cassette pushing member can be moved within a small space, and
The cassette can be extruded without damaging the label attached to the side surface of the cassette.

C Prior Art The applicant of the present invention has disclosed, for example, Japanese Utility Model Application Laid-Open No. 62-168 as a prior application example of a cassette auto-chainer using a video cassette.
The application described in Japanese Patent No. 147 has been filed first.

In this prior application, the cassette selectively taken out from the cassette storage rack in which the cassette is stored is transferred by a cassette transfer device and automatically loaded into the recording / reproducing apparatus.

A rotating arm is used to push the cassette accommodated in the cassette accommodating portion of the cassette transfer machine into the cassette accommodating shelf.

That is, by rotating the rotating arm around the center of rotation provided outside the cassette housing by the motor, the rotating arm is caused to make a circular motion, and the roller provided at the tip of the rotating arm. Is moved by circular movement from the outside to the inside of the cassette accommodating portion, and the side surface of the cassette is pressed by this roller so that the cassette is pushed out.

D Problem to be Solved by the Invention However, in this prior application, the moving space of the rotating arm is large and the cassette transfer machine is apt to be large in size due to the system of circularly moving the rotating arm. Further, since the roller at the tip of the rotating arm presses the side surface of the cassette while making a circular motion, the contact position of the roller with respect to the side surface of the cassette changes (shifts as the cassette advances).
Resulting in. As a result, if the label is attached to the side surface of the cassette, the roller is likely to damage the label.

The present invention provides a cassette autochanger that can move a cassette pushing member in a small space and can push the cassette pushing member without changing the contact position of the cassette pushing member with respect to the side surface of the cassette. The purpose is to do.

E Means for Solving the Problems To achieve the above object, the present invention provides a shelving device having a large number of cassette storage shelves in which a large number of cassettes are stored, and a recording and storage device in which the large number of cassettes are selectively inserted. In the cassette autochanger, the cassette transfer is provided with a reproducing device, and a cassette transfer device for selectively carrying and delivering the large number of cassettes between the large number of cassette storage shelves and the recording and / or reproducing device. Transfer the cassette to the cassette storage shelf or the recording and / or reproducing apparatus in order to store the cassette stored in the cassette storing section of the machine into the cassette storing shelf or to insert the cassette into the recording and / or reproducing apparatus. At least a pair of cassette transfer belts, and the cassette from the cassette housing portion to the cassette housing shelf or In order to push out to the recording and / or reproducing device, it is provided between the pair of cassette transfer belts, moves from outside the movement path of the cassette of the cassette housing part to the movement path, and moves along the movement path. A cassette pushing member that moves the cassette housing in parallel with the cassette, and a driving member that moves the cassette pushing member onto the cassette moving path after the cassette in the cassette housing passes through the cassette pushing member. The drive member is provided in the cassette transfer machine, and the drive member has a pinion that is rotationally driven by a motor and a substantially L-shaped rack that is attached to the cassette pushing member and that engages with the pinion. The pinion is driven by the rotational drive of the pinion. To guide the movement of the rack member and the cassette pushing member. The cassette automatic changer is composed of the rack and a guide member having a guide groove having a substantially symmetrical shape.

F action According to the cassette auto-engineer configured as described above, the cassette pushing member is moved in a small space along the shape of the guide groove, which is almost the reverse of the guide groove that is symmetrical with the substantially L-shaped rack. Can be made. Moreover, since the cassette push-out member moves in parallel with the cassette in the cassette accommodating portion, the contact position of the cassette push-out member with respect to the side surface of the cassette does not change at all as the cassette pushes out.

G Embodiment An embodiment in which the present invention is applied to a cassette auto-chassis using a video cassette will be described below with reference to the drawings.

G ₁ First, the cassette cassette will be described with reference to FIGS. 4 and 5.

First, this cassette auto-changer is capable of selectively using two types of cassettes, a large cassette 1 and a small cassette 2 having different sizes. It is possible to store the large cassette 1 and the small cassette 2 together and the dedicated small cassette 2 as well as the large and small cassette storage shelves 3 which are provided in a plurality of horizontal rows and columns. A storage box 5 dedicated to small cassettes that can be used is a plurality of shelf blocks 6 that are arranged in multiple rows in the upper and lower rows, and a small cassette 2
The shelf block 9 and the like provided with the insertion-only shelf 7 and the discharge-only shelf 8 are provided. The plurality of shelf blocks 4, 6, 9 are arranged in two rows along the front and rear sides of the moving path 11 of the cassette transfer machine 10 which is moved in the vertical direction in FIG. 4 and in the horizontal direction in FIG. Are arranged. The recording / reproducing devices 13 are arranged in a plurality of upper and lower rows on one side of the shelf block row 12b on the rear side opposite to the shelf block row 12a on the operator side (front side) 12. The plurality of recording / reproducing devices 13 are front loading VTRs common to both large and small cassettes for selectively recording or reproducing the large cassette 1 and the small cassette 2. The cassette insertion openings 13a of the plurality of recording / reproducing devices 13 are directed toward the operator side 12, and a plurality of cassette insertion / ejection adapters 14 are provided on the front surfaces (operator side) of the plurality of cassette insertion openings 13a.
Is provided. Further, the cassette transfer machine 10 is provided with one cassette accommodating portion 15 for accommodating the large cassette 1 and the small cassette 2 selectively and commonly. A plurality of open / close doors 16 are provided on the front surface of the shelf block row 12a on the operator side 12.

According to this cassette auto-chassis, first, the large cassette 1 and the small cassette 2 are stored in advance in a large number of large and small cassette combined storage shelves 3 and small cassette dedicated storage shelves 5. At this time, the operator inserts and ejects the large and small cassettes 1 and 2 from the operator side 12 in the directions of arrows a and a'in the storage shelf 3 for both large and small cassettes. As for the small cassette dedicated storage rack 5, the small cassettes 2 sequentially inserted by the operator into the insertion dedicated rack 7 are sequentially transferred by the cassette transfer machine 10 and sequentially inserted in the direction of the arrow b from the moving path 11 side, and vice versa. The small cassettes 2 sequentially discharged from the small cassette dedicated shelf 5 by the cassette transfer machine 10 in the direction of arrow B'are sequentially discharged from the dedicated discharge shelf 8 to the operator side 12.

Next, the cassette transfer machine 10 is controlled to move vertically and horizontally along the movement path 11 to selectively receive the large cassette 1 or the small cassette 2 in the designated shelf address from the direction of the arrow b '. , The cassette is accommodated in the cassette accommodating portion 15. Then, after the large cassette 1 or the small cassette 2 accommodated therein is transferred to the recording / reproducing device 13 designated by the cassette transfer machine 10, the large cassette 1 or the small cassette 2 is connected from the cassette insertion port 13a by using the adapter 14. The large cassette 1 or the small cassette 2 is recorded or reproduced by loading in the designated recording / reproducing device 13 from the direction of arrow c. On the other hand, the large cassette 1 or the small cassette 2 which has been recorded or reproduced by the recording / reproducing device 13 is unloaded in the direction of arrow c'using the adapter 14 and received by the cassette transfer machine 10, and the original operation is performed in the reverse operation. Return it to the shelf.

And by repeating the above operation continuously,
It is possible to perform continuous video playback and recording for a long time.

Moreover, at this time, a small cassette 2 having a small size and a short recording time is used to broadcast a short time such as a commercial, and a large cassette 1 having a large size and a long recording time is used for news or various programs. It is possible to adopt a method of distinguishing the length of the broadcasting time, etc. by the size of the large and small cassettes 1 and 2, such as broadcasting for a long time.

G ₂ Next, the cassette extrusion mechanism of the cassette transfer machine will be described with reference to FIGS. 1 to 3C.

First, as shown in FIG. 1, the cassette transfer machine 10 is provided horizontally with a single cassette accommodating portion 15 having a size suitable for the large cassette 1. Both front and rear ends 15a and 15b of the cassette accommodating portion 15 are open, and a pair of left and right cassette transfer belts 19 are provided on the bottom surface. A cassette push-out mechanism 20 is provided below the cassette accommodating portion 15 at an intermediate position between the pair of cassette transfer belts 19. It should be noted that the cassette pushing-out mechanism 20 is arranged such that the large cassette 1 or the small cassette 2 selectively inserted from the direction shown by the arrow b'in FIG. It is adapted to be pushed into the cassette-dedicated storage rack 5 or the recording / reproducing apparatus 13 in the direction of arrow b in FIG.

Next, details of the cassette extrusion mechanism 20 will be described with reference to FIGS. 2 to 3C.
It will be described with reference to the drawings.

A pinion 22, a rack member 24 having a rack 23, a cassette push-out member 25, and the like are arranged between a pair of left and right guide plates 21 arranged at intervals. The pinion 22 is a pinion shaft 22a rotatably mounted between the pair of guide plates 21.
The motor shaft 26a of the motor 26, which is integrally provided on the outer periphery of the motor and is attached to one guide plate 21, is connected to the pinion shaft 22a via the reduction gear mechanism 27. The rack 23 is approximately L from the horizontal lower surface of the rack member 24 to the vertical front surface.
It is formed into a shape. There are six guide rollers 28 on each of the right and left sides of the rack member 24.
Are rotatably mounted via three roller shafts 28a penetrating through the guide rollers 28, and these guide rollers 28 are rotatably fitted in three guide grooves 29 respectively provided in the pair of guide plates 21. . Each of the guide grooves 29 is formed in a substantially inverted L shape which is substantially symmetrical with respect to the substantially L-shaped rack 23. The cassette push-out member 25 has a substantially U-shaped cross section, and is fitted on the rack member 24 from above from the upper side and both left and right sides. The cassette push-out members 25 are fitted to the three roller shafts 28a by means of six horizontal slots 30 on each of the left and right sides thereof, a total of six horizontal slots 30, and the cassette push-out members 25 are attached to the rack members 24. On the other hand, it is configured to be movable in the directions of arrows d and d'in FIG. It should be noted that a spring locking portion 32 provided on the front end side of the rack member 24 and penetrating upward through the long hole 31 on the upper surface of the cassette pushing member 25, and provided on the rear end side of the cassette pushing member 25. The cassette pushing member 25 is urged to move in the direction of arrow d with respect to the rack member 24 by the limiter spring 34 mounted between the cassette pushing member 25 and the spring locking portion 33. A cassette pressing portion 36 made of an elastic material such as rubber is attached to the outer periphery of a protrusion 35 provided vertically on the upper end of the cassette pushing member 25.

Next, the pushing operation of the small cassette 2 by the cassette pushing mechanism 20 will be described. The large cassette 1 is shown in Figs. 3A to 3C.
It is shown in phantom in the figure and is extruded exactly like the small cassette 2.

First, FIG. 3A shows a state before the cassette extrusion starts, the cassette extrusion member 25 is returned to the return position, and the cassette pressing portion 36 constitutes the bottom surface of the cassette accommodating portion 15. It has been moved below belt 19.

Almost at the same time that the small cassette 2 accommodated in the cassette accommodating portion 15 is transferred by the pair of cassette transfer belts 19 from the accommodation position in FIG. 3A to the position in FIG. 3B in the direction of arrow b, The motor 26 drives the pinion 22 in the direction of arrow e in FIG. 3A.

Then, the substantially L-shaped rack 23 is driven by the pinion 22, the rack member 24 is guided by the six guide grooves 29 and the guide rollers 28 in total, and is raised in the direction of arrow f in FIG. 3B. After that, it is moved horizontally in the direction of arrow g.

After the cassette pressing portion 36 of the cassette pushing member 25 is inserted into the cassette accommodating portion 15 from below by the movement of the rack member 24 in the direction of the arrow f, the arrow g of the rack member 24 is inserted.
By moving in the direction, the cassette pressing portion 36 is moved in the cassette accommodating portion 15 in the direction of arrow g in parallel with the small cassette 2.

Then, the cassette pressing portion 36 presses the side surface 37 on the rear end side (the side opposite to the front end side where the front lid is attached) of the small cassette 2 in parallel with the direction of the arrow g against the limiter spring 34. Then, the small cassette 2 is completely extruded in the direction of arrow b from the position shown in FIG. 3B to the position shown in FIG. 3C.

At this time, a recess 38 is provided on the side surface 37 of the small cassette 2, and a label 39 is attached to the recess 38.
The cassette pressing portion 36 is brought into contact with the lower end surface 37a which is higher than the recess 38 of the side surface 36 and presses the small cassette 2 in parallel with the arrow g direction. Therefore, the cassette pressing portion 3 against the end surface 37a
Since the contact position of 6 does not change at all as the small cassette 2 is pushed out, the cassette pressing portion 36 unexpectedly shifts from the end face 37a to the label 39 of the recess 38, and the label 39 is damaged unexpectedly. There is no such thing.

Incidentally, when the cassette pushing member 25 is moved to the forward movement position shown in FIG. 3C, the shutter 40 provided on the lower surface of the rack member 24 turns off the photo sensor 41 attached to the other guide plate 21. Then, after stopping the motor 26 once, the motor 26 is rotated in the reverse direction. Then the pinion
22 is reversely rotated in the direction of arrow e ', and the cassette pushing member 25 together with the rack member 24 is returned in the directions of arrows g'and f'. Then, when the cassette pushing member 25 is returned to the returning position shown in FIG.
The shutter arm 42 attached to the one guide plate 21 is rotated around the pivot point 43 against the return spring 44, and the arrow h
The photosensor 45 attached to the one guide plate 21 is turned off and the motor 26 is stopped.

Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments, and various effective modifications can be made based on the technical idea of the present invention.

For example, in the embodiment, the large cassette 1 is stored in the large and small cassette combined storage rack 3, but a large cassette storage rack for storing only the large cassette 1 may be provided.

H Effect of the Invention Since the present invention is configured as described above, it is possible to move the cassette pushing member in a small space,
The cassette transfer device can be downsized.

Moreover, according to the present invention, since the cassette can be pushed out without changing the contact position of the cassette pushing member with respect to the side face of the cassette, the cassette pushing member is damaged by the label attached to the side face of the cassette. There is an effect that the cassette can be extruded without any need.

[Brief description of drawings]

1 is a schematic perspective view of a cassette transfer machine, FIG. 2 is an exploded perspective view showing a cassette push-out mechanism of the cassette transfer machine, and FIGS. 3A to 3A.
FIG. 3C is a side view for explaining the operation of the cassette pushing mechanism, FIG. 4 is a front view of the entire cassette auto chain, and FIG.
The drawing is a plan view of a part of the cassette auto-engineer. In the reference numerals used in the drawings, 1 ... Large cassette 2 ... Small cassette 3 ... Large and small cassette combined storage rack 4 ... Shelf block (shelf device) 5 ... Small cassette dedicated storage shelf 6 ... Shelf block (Shelf device) 10 …… Cassette transfer machine 13 …… Recording / playback device 15 …… Cassette storage section 19 …… Cassette transfer belt 20 …… Cassette ejection mechanism 21 …… Guide plate (guide member) 22 …… Pinion 23 …… Rack 24 ...... Rack member 25 …… Cassette pushing member 26 …… Motor 28 …… Guide roller 29 …… Guide groove 36 …… Cassette pushing part 37 …… Cassette side 39 …… It is a label.

Claims (1)

[Scope of utility model registration request] 1. A shelf device having a large number of cassette storage shelves in which a large number of cassettes are stored; a recording and / or reproducing device into which the large number of cassettes are selectively inserted; In a cassette autochanger equipped with a cassette transfer device for selectively carrying and delivering the above-mentioned large number of cassettes to and from a recording and / or reproducing device, a cassette housed in a cassette housing part of the cassette carrier is stored in the cassette. Store on shelf or record and / or above
Or at least a pair of cassette transfer belts for transferring the cassette toward the cassette storage shelf or the recording and / or reproduction device for insertion into the reproduction device, and the cassette from the cassette storage portion to the cassette storage shelf or In order to push out to the recording and / or reproducing apparatus, it is provided between the pair of cassette transfer belts, moves from outside the movement path of the cassette of the cassette housing portion to the movement path, and along the movement path, A cassette pushing member for moving the cassette housing in parallel with the cassette; and a driving member for moving the cassette pushing member on the cassette moving path after the cassette in the cassette housing passes through the cassette pushing member. Installed in the cassette transfer machine, the drive member is rotated by a motor. A pinion to be moved, a rack member attached to the cassette pushing member and having a substantially L-shape that engages with the pinion, and a rack member driven by rotational driving of the pinion; and a movement of the cassette pushing member. In order to achieve the above, a cassette automatic changer comprising a guide member having a guide groove having a substantially symmetrical shape with the rack.