JPS61267966A - Automatic exchange device for magnetic sheet pack - Google Patents

Abstract

PURPOSE:To draw out exactly a sheet pack one by one sheet from a magazine, by constituting the titled device so that the claw part of a magazine carrying member is engaged to the recessed part of the sheet pack and drawn out, and the claw is withdrawn at a prescribed position. CONSTITUTION:A pin 160 of a base 159 which is provided adjacently on a bucket 76 for drawing out a magnetic sheet pack 10 from in a magazine 25 and containing it is used as a shaft, and a lever 158 is freely turnable and usually inclined. When the magazine 25 comes to an opposed position of the bucket 76, a pin 158A of the lever 158 is pushed by a cam surface 163A and becomes horizontal, a claw 164 of the lever is engaged to the recessed part 22 of the pack 10, and as the base 159 moves in the left direction, the pack 10 is drawn out of the magazine and contained in the bucket 76. Thereafter, abutting the lever 158 on the cam surface 163A is eliminated, and the engagement to the recessed part 22 is released. In such a way, the sheet pack can be drawn out exactly from the magazine.

Description

[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to an automatic exchange device for magnetic sheet packs, and is particularly suitable for continuously reproducing a plurality of magnetic sheets on which still image information, etc. are recorded. This invention relates to an automatic exchange device for magnetic sheet packs.

[Background of the invention]

Recently, imaging devices such as solid-state image sensors and image pickup tubes are combined with recording devices that use magnetic sheets, which are inexpensive and have a relatively large storage capacity, to take purely electronic still photographs of subjects using rotating magnetic sheets. Electronic still camera systems have been developed and are attracting attention, in which the images are recorded on a separate television system or printer, and the images are played back using a separate television system or printer.

The magnetic sheets used in such systems are usually in the form of magnetic sheet packs. A magnetic sheet pack rotatably stores a magnetic sheet for magnetically recording still image information, etc., and is used by being attached to a rotating magnetic sheet device incorporated in an electronic camera or the like.

On the other hand, recently, so-called TV photo albums have been developed, in which subjects such as negative films and prints are recorded and stored on magnetic sheets for electronic cameras, which can be played back with a playback device as needed, and then displayed on a TV screen for enjoyment. It is starting to be used. Along with this, similar to the photo printing service, a service was also started in which photographic images such as negative film are taken at a photo processing factory (hereinafter referred to as a laboratory), recorded on a magnetic sheet, and the recorded magnetic sheet is handed over to the customer. I am trying to do.

By the way, in such a TV photo album, there are cases where it is desired to continuously reproduce a plurality of magnetic sheets on the TV screen. In such cases, it is cumbersome to attach magnetic sheet packs one by one to the regenerator, but multiple magnetic sheet banks are attached to the regenerator at once, and one sheet at a time is transferred to the regenerator in accordance with a predetermined reproducing order. It would be extremely convenient if there was an automatic exchange device for magnetic sheet packs that can be transported up to

By the way, in such an automatic exchange device for magnetic sheet packs, a plurality of magnetic sheet packs, for example, 10 sheets, are loaded into a magazine, and the magazine is set in the automatic exchange device. Then, magnetic sheet packs must be pulled out from the magazine in the automatic exchanger according to a predetermined reproduction order and set in the reproduction section.

[Purpose of the invention]

The present invention has been made in view of the above circumstances, and an object of the present invention is to propose an automatic exchange device for magnetic sheet packs that can pull out magnetic sheet packs one by one from a magazine inserted into the automatic exchange device. It is said that

[Summary of the invention]

In order to achieve the above-mentioned object, the present invention has a magazine in which a plurality of magnetic sheet packs each containing a magnetic sheet and a locking recess are formed is inserted, and the magnetic sheets are extracted from this magazine in a predetermined order. In an automatic exchange device for magnetic sheet packs that pulls out a pack and sets it in a reproducing section, there is provided a carry-out member having a claw that can be engaged with the recess, and a claw of the carry-out member that engages with the recess when the magnetic sheet pack is pulled out. and a cam that retracts the pawl from the recess during loading.

[Embodiments of the invention]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The automatic magnetic sheet pack exchange device according to the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 17 shows a plan view of a magnetic sheet pack used in a magnetic recording/reproducing device such as an electronic camera, and FIG. 18 is a sectional view taken along the line X--X in FIG. 17. As shown in FIG. 17, the magnetic sheet pack 10 has a substantially rectangular shape,
Magnetic sheet 12 on which still image information etc. are recorded
is rotatably stored. A center core 14 as a reinforcing member is provided in the center of the magnetic sheet 12, and this center core 14 is exposed to the outside through a circular opening 16 of the magnetic sheet pack 10. A center hole 15 is formed in the center core 14 , and an elastic piece (not shown) is formed in the center hole 15 .
It is designed to fit into the A window 18 in which a magnetic head (described later) is located is opened in the magnetic sheet pack 10, and this window 18 for the magnetic head is provided with a slideable shutter 2.
It is opened and closed by 0. That is, the shutter 20 closes the window 18 to prevent dust from adhering to the magnetic sheet 12 before the magnetic sheet pack 10 is inserted into a packet 76 (described later), and when the magnetic sheet pack 10 is inserted into a packet 76 (described later), the shutter 20 closes the window 18. moves downward in FIG. 17 to open the head window 18, allowing recording and reproduction to the magnetic sheet l-12.
Become. In the magnetic sheet puncture 10, a locking recess 22 is formed at the opposite end of the shutter 20, and this recess 22 is used to lock the magazine 2, which will be described later, when inserted into the packet 76.
Used to draw from 5. The upper right corner of the magnetic sheet pack 10 in FIG. 17 is canted in a tapered shape, and a tapered surface 24 for preventing incorrect insertion into the magazine 25 is formed. Note that the reference numeral 10A is an arrow formed on the magnetic sheet pack 10 indicating the insertion direction.

1 to 4 are drawings showing the shape of a magnetic sheet pack magazine 25 into which a plurality of magnetic sheet packs, for example 10, are loaded. The perspective view seen from the rear, and FIGS. 3 and 4 are side sectional views taken along the Y--Y line in FIG. 2. The magazine body 26 is formed of a transparent plastic material into a box shape, and its front surface 28 and rear surface 30 are configured as open end surfaces. A front cover 32 is provided on the front surface 28 of the magazine 25, and the lower end of the front cover 32 is rotatably supported by the magazine body 26, so that the front surface 28 can be opened and closed.

Further, the rear surface 30 is provided with a back cover 34, and the back cover 34 is rotatably provided at the upper end of the magazine body 26. As shown in FIG. It covers 1/3 of the area. Partition plates 35 are regularly arranged at predetermined intervals inside the magazine body 26, and the partition plates 35 are formed low in height on the front side 35A so as to partition only a portion upward from the bottom. , is formed high so as to partition the entire surface on the rear surface side 35B. The magnetic sheet pack 10 can be inserted and taken out in a vertical position into a gap 37 formed by the partition plate 35. Ten gaps 37 are formed, so one magazine 25 can store ten magnetic sheet packs 10.

As shown in FIG. 3, a tapered detection surface 36 for preventing incorrect insertion is formed on the inside of the back cover 34.
corresponds to the tapered surface 24 of the magnetic sheet pack 10. Therefore, when the detection surface 36 on the magazine 25 side and the tapered surface 24 of the magnetic sheet pack 10 are aligned, the magnetic sheet pack 10 is stored in the magazine body 26 as shown in FIG. It can be completely closed as shown in . On the other hand, if the magnetic sheet pack 10 is inserted in a wrong direction and the tapered surface 24 of the magnetic sheet pack 10 does not align with the detection surface 36, the magnetic sheet pack 10 will not be completely inserted as shown in FIG. A part of it protrudes from the magazine 25 without moving, and the lower part 32A of the front cover 32 comes into contact with the lower end 10A+ of the magnetic sheet pack 10,
It becomes difficult to close the front lid 32 completely. As a result, it is possible to know whether the magnetic sheet pack 10 has been inserted incorrectly by checking whether the front lid 32 is completely closed.

A toggle spring 42 is provided at the hinge portion of the back cover 34, and the back cover 34 is held in two positions by this toggle spring 42: a closed position shown by a solid line in FIG. 3 and an open position shown by an imaginary line in FIG. be done.

The back cover 34 is provided with a locking mechanism (not shown).
When the magazine 25 is loaded into the main body of the apparatus, the lock is released by a lock release pin (not shown) provided on the main body of the apparatus, and the back cover 34 can be opened and closed.

The magnetic sheet pack 10 is placed in a gap 37 formed by a partition plate 35 provided on the bottom plate 48 of the magazine 25, and a groove 50 is formed on the rear side, and a magnetic sheet pack 10 is formed on the rear side. During the loading operation of the sheet pack, as shown by the imaginary line in Fig. 3, the unloading claw 16
4 is now able to invade.

As shown in FIG. 2, the magazine body 26 has a notch 52 formed at one corner on the back side, and this notch 52 has a cutout 52 to prevent incorrect placement of the magazine when setting the magazine in the regenerator, as will be described later. It has a function.

FIG. 5 shows a regenerator 54 into which a magazine loaded with such a magnetic sheet pack is inserted. A magazine loading lid 56 is arranged on the front of the regenerator 54 so as to be slidable in the direction of the arrow AI or A2, and the power switch 5
8. Start button 60, eject button 62, record button 64, display button 66, program button for setting the playback order of the magnetic sheet pack 67. Changing the pack midway through without having the playback end of one puncture. case pack exchange button 68, magnetic head forward button 7
0. A reverse button 72, a remote control 74, etc. are provided.

Now, to explain the movement direction of the magazine 25 and the magnetic sheet pack 10 within the regenerator 54, first, the magazine 25 is moved in the depth direction of the regenerator 54, that is, in the direction of arrow A, as shown in FIG. When the magazine 25 is completely stored in the regenerator 54, the magazine 25 is moved to the left in FIG. 6, that is, in the direction of arrow B1. The packet 76 is waiting at a predetermined position, and the magazine 25 is attached to this bucket 7.
The selected magnetic sheet bank 10 is located at position 6 +
position and stop. Here, while the magazine 25 is stopped at this position, only the magnetic sheet pack 1O is moved in the direction of the arrow C1 and loaded into the packet 76. This packet 76 moves toward the magnetic head, that is, in the direction of the arrow, and the magnetic sheet pack 10 is attached to the rotational drive shaft. To replace the magnetic sheet pack 10, the operation is reverse to that described above, that is, the packet 76 is moved in the direction of arrow B2, the pack is moved in the direction of arrow C2, and the magnetic sheet pack 10 is placed in the predetermined position of the waiting magazine. is loaded, and in this state, the magazine 25 is randomly accessed in the direction of arrow B+ or B2, the magazine 10 is stopped at a required position, and the next magnetic sheet pack 10 is fed into the packet 76.

After the required number of sheets have been reproduced, the magazine is fed in the direction of arrow B2 and further in the direction of arrow A2, and can be taken out from the regenerator 54.

Next, the mounting mechanism of the magazine 25 will be explained. The lower end of the loading lid 56 is fixed to the front ends of a pair of rails 78.78 that are movable relative to the regenerator 54.
78 are connected by a bottom plate 79. Rail 78.78 is the 7th
As shown in the figure, the magazine loading assembly, which is slidably supported via support members 80, 80 and bearings 82, 82 on the device main body side, and therefore consists of a loading lid 56, a rail 78, and a bottom plate 79, is connected to the regenerator. Depth direction ie arrow A
It is movable in the 1 or A2 direction.

A rack 84 is cut into one of the rails 78, and this rack 84 is rotationally driven by a pinion 86 shown in FIG. Pinion 86 is driven by a motor 88 shown in FIGS. 8 and 9. That is, the motor 88 rotationally drives the pinion 86 through gears 90, 92, 94, 96, and 98 connected to its output shaft 90, whereby the magazine loading assembly moves forward in the depth direction (direction A2). and backward (A, direction).

Next, a mechanism for preventing incorrect magazine insertion will be explained. As shown in FIG. 7, a U-shaped magazine holder 100 is provided on the magazine loading assembly so as to be movable along a guide portion 101 in FIG. 9 in a direction orthogonal to the depth direction.
This magazine pedestal 100 can move in the direction of arrow B, the force direction, and the direction of arrow B2 in FIG. This magazine holder 1°O is formed with a projection 102 that corresponds to the notch 52 of the magazine 25, and if the magazine 25 is placed incorrectly, that is, the positions of the notch 52 and the projection 102 do not match, The magazine is not properly placed on the magazine holder 100, and therefore, in this state, the opening 5 of the regenerator body shown in FIG.
It becomes impossible to insert a magazine into 5. Thereby, incorrect placement of the magazine 25 can be detected.

A locking mechanism for preventing movement of the magazine holder 100 is provided on the bottom plate 79 of the magazine loading assembly.

That is, as shown in FIG. 8, the lock lever 104 has a long hole 1.
07.107 is formed, and a pin 106.106 planted in the bottom plate 79 is loosely fitted into this elongated hole 107.107.
As a result, the lock lever 104 can be moved by a distance allowed by the long holes 107 and 107 in the left and right directions in FIG. The lock lever 104 is biased leftward in FIG. 8 by the biasing force of the spring 108, and its end 110 is located in the movement range of the magazine pedestal 100, that is, in the force direction movement range indicated by arrow B. In this state, the pedestal The stepped portion 100A of 100 is the end portion 11
It is unable to move due to contact with 0. Further, a pin 112 is installed at the right end of the lock lever 104, and this pin 112 is connected to the swinging lever 112 with the shaft 113 as a pivot point.
is engaged with the groove 115 of. When the rails 78, 78 are sent in the direction of the AI force by the pinion 86 in the state shown in FIG. The swing lever 114 rotates clockwise about the shaft 113, and the lock lever 104 can be retracted from the movement range of the pedestal 100 against the biasing force of the spring 108.

At this point, the magazine 26 is completely installed in the regenerator 54, and therefore the magazine holder 100 cannot be moved in the direction B unless the magazine 25 is completely inserted into the regenerator 54 body. .

Next, the opening/closing mechanism of the back cover 34 will be explained. Magazine 2
5, a back cover opening/closing lever 118 shown in FIGS. 11 and 12 is provided in the force direction insertion area indicated by arrow A. That is, the back cover opening/closing lever 118 is pivotally supported on the main body of the apparatus around a shaft 120, is biased clockwise in FIG. located in the area. Therefore magazine 25
When the magazine loading assembly is moved in the A1 direction, the magazine back cover lock release pin (not shown) provided on the main body of the device comes into contact with the locking mechanism (not shown) provided on the magazine 25. , unlock the back cover. Next, the back cover opening/closing lever 118 resists the biasing force of the spring 122 by coming into contact with the edge surface of the magazine 25 on the open end surface 30 side, and rotates counterclockwise in FIG. Gradually open/close the camera back lever 118.
rotates counterclockwise, and along with this! ! ! 34 will be gradually opened. When the back cover 34 is in the fully open position, the lever 118 contacts the switch 126 and the switch 1 is closed.
26 is designed to close. When the switch 126 is closed, the next action is to move the pedestal 100 in the B+ direction.

In this way, the pedestal 100 does not move in the B+ direction unless the magazine 25 is completely inserted into the regenerator 54. Note that the switch 126 can also function as a switch for detecting the presence or absence of a magazine.

The spring 122 is configured as a torsion compression spring, and when the magazine 25 returns from the 82 direction, it swings to the right as shown in FIG. 12, and the switch 128 closes at this time. Switch 128 detects the return of magazine 25 and switches switch 1
When 28 is closed, the magazine 25 is moved in the A2 direction.

Next, the random access mechanism of the magazine 25 will be explained. Again in FIG. 7, a rack 1130 is attached to the back surface of the magazine holder 100, and the rack plate 13
0 is elastically supported by the pedestal 100 via a spring or the like (not shown). The rack plate 130 is adapted to mesh with a pinion 132 shown in FIGS. 8 and 10 at the final insertion position of the magazine in the direction of arrow A1. When the rack plate 130 and pinion 132 are engaged, the rack plate 13
0 is elastically supported by the pedestal 100, so it can move when engaged, and the rack plate 130 can easily engage with the pinion 132. The same gear as the pinion 132 is also arranged above the pinion 132 as a pinion 134 as shown in FIG.
2.134 is driven by motor 136. That is, the gear 138 provided on the output shaft of the motor 136 is the gear 14.
It meshes with 0. A worm 142 is integrally provided on the gear 140, and the worm 141 is configured to interlock with the gear 140 via a shaft 139. The worm 141 that is interlocked with this gear 140 rotates the pinion 132 via gears 144 and 146, and the worm 142 rotates the pinion 132 through the gear 15.
0,152 to rotate the pinion 134.

As shown in FIG. 7, a position control plate 152 is provided on the bottom surface of the magazine holder lOO, and the same number of pins 154 as the gaps 37 of the magazine 25 into which the bag 10 is inserted are provided below the position control plate 152. It is provided. Position control board 152
moves together with the magazine holder 100, and the position control plate 152
A limit switch (not shown) is provided in the movement range of , and the position control pin 154 determines the amount of movement of the magazine based on the number of times the limit switch is opened and closed, and positions the selected magnetic sheet pack 10 in front of the packet 76. be able to. Detection of the movement of the magazine is not limited to pins and limit switches, but may also be performed using slits, optical sensors, etc.

10 and 13, the mechanism for carrying in and out the magnetic sheet pack will be explained. As shown in FIG. 10, the rack plate 15 is located adjacent to the position where the packet 76 is provided.
A base 159 of a carry-out lever 158 shown in FIG. The carry-out lever 158 is urged to rotate clockwise in FIG. 13 by a spring 162, and when in contact with the cam surfaces 163B and 163C of the cam 163, the carry-out lever 158 is tilted as shown by the dashed line in the figure. However,
When the pin 158A at the rear end of the carry-out lever 158 is pressed by the cam surface 163A of the cam 163, it stands up as shown by the solid line in the figure. A pawl 164 is provided at the tip of the unloading lever 158, and this pawl 164 engages the magazine 25.
It is formed in a size that allows it to pass through the groove 50 of.

Therefore, as shown in FIG.
When it stands up and is located in the groove 50, it fits into the recess 22 of the magnetic sheet pack 10 stored in the magazine 25,
In this state, when the rack plate 156 is moved to the left in FIG.
Only the magnetic sheet pack 10 that has engaged with the magnetic sheet pack 64 moves to the left and is extracted from the magazine 25, and then moves to the pack guide 16.
While moving on the packet 6, the packet 76 is stored in the packet 76 that has been waiting in advance. The packet 76 is formed in an inverted U shape, and a pack guide 166 is provided below the packet 76 to guide the magnetic sheet pack 10 into the packet 7.
It is designed to guide you within 6 days. Magnetic sheet pack 1
0 is inserted into the packet 76, the shutter 20 is opened, and the packet 76 is held under pressure by a spring (not shown). The magnetic sheet pack 10 is the packet 76
When the ejection lever 158 is completely retracted into the cam surface 1
63A is released, the magnetic sheet pack 162 rotates clockwise again to tilt, and the engagement relationship between the claw 164 and the recess 22 of the magnetic sheet pack 10 is released. As a result, the magnetic sheet pack 10 becomes free from the carry-out lever 158.

Next, the power transmission mechanism of the motor 168 will be explained with reference to FIG. A gear 170 provided on the output shaft of the motor 168 meshes with a gear 172, and a worm 174 integrated with this gear 172 meshes with a worm gear 176. Gear 1 integrally formed with worm gear 176
77 and gear 226 are meshed with each other, and gear 226 is meshed with gear 224. A gear 178 is provided coaxially with the gear 2'24, and the gear 224 and the gear 178 are connected via a clutch mechanism. This gear 178 can move the rack plate 156 forward (C, direction) and backward (CZ direction) via a gear 180 and pinion 182.

Therefore, when the clutch mechanism is engaged, the rotational force of the motor 16 is also transmitted to the gear 178 and the rack plate 156 is rotated.
moves, but if the clutch mechanism is disengaged, gear 22
The signal is transmitted only to the cam 196, so that only the cam 196 rotates.

Next, the loading mechanism of the magnetic sheet pack 10 will be explained according to FIGS. 14 and 15. packet 7
As shown in FIG. 14, a first movable plate 184 is provided at the end of the first movable plate 1.
It is supported by a guide bar 188 via support plates 186 and 186 provided on the back surface of the guide bar 84 so as to be slidable in the left and right directions in FIG. The first movable plate 184 has a swing lever 192 whose one end, as shown in FIG. 15, is pivotally supported by a pin 191 on the main body side.
is provided via a spring 190, and a follower 194 projecting from this lever 192 is moved by a cam 196 shown in FIG. That is, the follower 194 is fitted into the groove 198 of the cam 196 after the aforementioned clutch mechanism is disengaged, and as the cam 196 rotates, the first movable plate 184 is controlled to move in the left and right direction, and the packet 76 is loaded. Otherwise, the unloading operation will be performed. On the other hand holder 2
00 is provided with a second movable plate 202, and this second movable plate 202 is connected to the guide bar 20 via support plates 204 and 204.
6 so as to be movable in the left and right directions in FIG. The second movable plate 202 is provided with a swing lever 210 whose one end is pivotally supported by a main body pin 209 via a spring 208, and this lever 211 is formed with a follower 212.

Follower 212 is controlled by cam 196. That is, as shown in FIG. 16, the follower 212 is fitted into the groove 214 of the cam 196 after the aforementioned clutch mechanism is disengaged, and as the cam 196 rotates, the movable plate 202 is controlled to move in the left-right direction. The holder 200 is provided with a center core pressing member 216 and another holder 220 is provided via springs 218 and 218, and this holder 22
0 is provided with a regulation plate 222. Core pressing member 216
At the time of loading, the center core 14 of the rotating magnetic sheet 12 in the magnetic sheet pack 10 is pressed against the drive shaft 228 side by the core pressing member 216 to completely attach the magnetic sheet, and the regulating plate 222 faces the magnetic head during magnetic recording and reproduction. It has the function of aligning the magnetic sheet with the magnetic head.

The operation of the magnetic sheet pack automatic exchange device according to the present invention configured as described above is as follows.

First, the loading lid 56 is pulled out to the state shown in FIG. 5, and the magazine 25 containing the magnetic sheet pack is placed on the tray 100. When the start button 60 is pressed in this state, the motor 88 rotates forward and the pinion 86 rotates. This allows the rail 78 to pass through the rack 84 that engages the binion 86
is drawn into the regenerator 54 in the direction A.

When the magazine 25 is pulled in the direction A, the back cover opening/closing lever 118 shown in FIG.
opens. When the magazine 25 is completely stored in the regenerator 54, the pin 124 of the opening/closing lever 118 is moved to the switch 1.
26, the switch 126 is activated, and the motor 88
When the motor 13 for driving the stand 100 stops, the motor 13 for driving the stand 100
6 rotates forward.

When the motor 136 rotates in the normal direction, the pinions 132 and 134 rotate, thereby moving the receiver stand 100 in the direction of arrow B. A limit switch (not shown) is located on the position control board 15.
1. Counts the number of pins 154 passing through the magnetic sheet pack 10, and stops when the selected magnetic sheet pack 10 comes to the position corresponding to the insertion slot of the packet 76.1. When the motor 168 rotates forward in this position, the rotational force from the motor 168 is transferred to the gears 170 to 17.
2, the rack plate 156 is moved in the Ct force direction. As the rack plate 156 moves, the claw 164 of the carry-out lever 158 engages with the recess 22 of the magnetic sheet pack 10, and in this state, the carry-out lever 158 moves the packet 7 together with the rack plates 1 and 56.
When the magazine 25 is moved in the 6 direction (C+ force direction), the magazine 25 remains in that position and only the magnetic sheet pack IO is loaded into the packet 76 while sliding on the pack guide 166.The pack 10 is completely loaded into the packet 76. 76, the unloading lever 158 rotates clockwise in FIG. 13 to free the magnetic sheet pack 10 inside the packet 76, and the clutch mechanism is disengaged, leaving only the cam 196 to continue rotating. do.

When the cam 196 rotates, the packet 76 first moves in the B1 direction to attach the magnetic sheet of the magnetic sheet pack 10 to the rotation drive shaft 228, and then the holder 200, 222 moves to attach the center core 14 of the magnetic sheet 12 to the center core member 216. As a result, the core is pushed toward the drive shaft 228, and the regulating plate 222 is positioned at a predetermined position. As a result, the magnetic sheets in the magnetic sheet pack 10 become ready for magnetic recording and reproduction. When the cam 196 is reversely rotated after the reproduction is completed, the packet 76 and the holders 200 and 220 are moved in the opposite direction, that is, in the direction of arrow B2, and an unloading operation is performed. In this state, the claw 154 of the unloading lever 156 again fits into the recess 22 in the magnetic sheet pack 10, and when the rack plate 156 is moved forward in this state, the magnetic sheet pack 10 is pulled out from inside the packet 76 and placed on standby. The magazine 25 is now inserted into its original position.

The magazine 25 has magnetic sheet packs 10 set in advance.
is moved in the direction of B or B2 according to the playback order of
The magnetic sheet packs in the magazine 25 are taken out one by one and reproduced according to the above operations. After all the packs have been reproduced, the motor 136 rotates in the reverse direction, and the magazine 25 is moved in the direction of arrow B2. The magazine 25 holder is on stand 10
0 moves in the force direction of arrow Bz and is positioned on the rail 78, the side surface of the magazine 25 comes into contact with the pin 124 of the back cover opening/closing lever 118, as shown in FIG. 12, and the switch 128 is activated. When the switch 128 is activated, the motor 136 is stopped and the motor 88 is rotated in the reverse direction, and the pedestal 100 is pulled out in the direction of arrow A2, and the magazine 25 is removed from the regenerator 54.
can be taken out.

〔Effect of the invention〕

As explained above, according to the magnetic sheet pack automatic exchange device according to the present invention, an ejecting member having a claw that can engage with the locking recess of the magnetic sheet pack is provided, and this ejecting member is moved by a cam to the magnetic sheet pack. Since the magnetic sheet pack is engaged with the concave portion of the magnetic sheet pack when being pulled out and is retracted from the concave portion during loading, the magnetic sheet pack can be reliably pulled out from the magazine.

[Brief explanation of the drawing]

Figure 1 is a perspective view of the magnetic sheet pack magazine seen from the front, Figure 2 is a perspective view of the magnetic seat pack magazine seen from the rear, and Figures 3 and 4 are taken along the Y-Y line in Figure 2. 5 is a side sectional view of a magnetic sheet punk magazine, FIG. 5 is a perspective view showing the general shape of an automatic magnetic sheet pack exchange device according to the present invention, and FIG. 6 is a side sectional view of a magnetic sheet pack automatic exchange device according to the present invention. An explanatory diagram showing the direction of movement of the pack,
Figure 7 is an exploded perspective view showing the structure of the magazine holder.
The figure is a plan view showing the drive mechanism of the magazine holder in the direction of arrow A1, Fig. 9 is a side view of Fig. 8, Fig. 10 is a side view showing the magazine inserted state, and Fig. 11 is the magazine inserted state. 12 is a front view showing the inserted state of the magazine, FIG. 13 is a side view showing the mechanism for loading and unloading the magnetic sheet pack from the magazine, and FIG. 14 is a side view showing the loading mechanism for the magnetic sheet pack. Fig. 15 is a plan view of the loading mechanism, Fig. 16 is an explanatory diagram showing the shape of the cam, Fig. 17 is a plan view of the magnetic sheet pack, and Fig. 18 is taken along the X-X line in Figs. 1 and 7. FIG. 10...Magnetic sheet pack, 25...Magazine,
52... Notch for preventing incorrect placement, 54... Regenerator,
56... Loading lid, 76... Packet, 88...
・Magazine unloading motor, 100...Magazine holder, 102...Protrusion for preventing incorrect placement, 118...
Back cover opening/closing member, 136... Magazine access motor, 152... Position control plate, 158... Carrying out member, -168... Loading motor, 16
4...Magnetic sheet pack conveyance claw, 196...
Cam, 228...Rotation drive shaft.

Claims (1)

[Claims] A magashin loaded with a plurality of magnetic sheet packs each containing a magnetic sheet and having a locking recess formed therein is inserted,
In an automatic magnetic sheet pack exchange device that pulls out magnetic sheet packs from this magazine in a predetermined order and sets them in a reproducing section, the unloading member has a claw that can be engaged with the recess, and the claw of the unloading member A cam that engages with the recess when pulling out the magnetic sheet pack, conveys the magnetic sheet pack, and retracts the pawl from the recess at a predetermined position.