JP2951248B2 - Disk recording and playback device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called autochanger type disk recording / reproducing apparatus for accommodating a plurality of disks as recording media and recording / reproducing a desired disk.

[0002]

2. Description of the Related Art Various types of auto-changer type recording / reproducing apparatuses for storing a plurality of disks upright and recording / reproducing a desired disk have been proposed. The applicant has previously proposed the apparatus shown in FIGS. 21 to 23 (see Japanese Patent Application Laid-Open No. 6-195842). In the following description, the disc insertion direction is defined as the front, and the disc ejection direction is defined as the rear. In this method, a cylindrical support column (21) is provided on a chassis (2), and the lower end of a dish-shaped magazine (3) capable of storing 24 disks D is rotatable on the support column (21). To fit. Magazine (3)
The disc loading / unloading section (4) and the recording / reproducing section (7) are arranged apart from each other on the outside of the rotation transfer path. In the magazine (3), a plurality of disk storage spaces (31) and (31) are formed radially, and a disk D can be stored in each storage space (31) in an upright state. Roller units (6) and (60) for transporting and holding the disk are provided inside the loading / ejecting section (4) and between the recording / reproducing section (7) and the magazine (3).

A front panel is provided on the front of the chassis (2).
The front panel (20) is provided with a rotary shutter (40) having a vertically long opening (41). A motor (M4) for rotating the rotary shutter (40) is provided beside the rotary shutter (40).
Detailed description of the mechanism for rotating (0) is omitted. When inserting a disk into the magazine (3), the disk is inserted through the opening (41) of the rotary shutter (40). The roller unit (6) rotates to draw the disk into the magazine (3).

As shown in FIG. 23, the disk is fitted in a holding groove (39) formed at the bottom of the disk storage space (31) while being stored in the magazine (3). Input / output section
Ejection member between (4) and center of rotation of magazine (3)
A push piece (410) is slidably provided on the chassis (2), and can be inserted from one end of the kick-out member (400) into the disk accommodation space (31) of the magazine (3). Is protruding. Outside the magazine (3), a motor (M5) for sliding the kick-out member (400) is arranged. When the disc is not inserted into the magazine (3), the push piece (410) enters the disc accommodating space (31) as shown by the solid line in FIG. 23, thereby preventing the magazine (3) from being accidentally rotated. When loading a disk into the magazine (3) and rotating the magazine (3),
As the motor (M5) rotates, the push-out member (400) slides into the magazine (3) as shown by the dashed line in FIG. 23, and the pushing piece (410) escapes from inside the magazine (3). I do. The magazine (3) can be rotated without being blocked by the push pieces (410).

[0005]

In the conventional apparatus, when the entire apparatus is installed at an angle, the disc stored in the magazine (3) does not fall into the rotation center side hollow portion of the magazine (3). , Can be prevented by the support column (21). However, it is impossible to prevent the disk from rolling off the magazine (3), and in this case, not only can a desired disk not be recorded and reproduced smoothly, but also the disk may be damaged. The purpose of the present invention is
An object of the present invention is to prevent a disk from rolling down from a magazine when the entire apparatus is installed at an angle.

[0006]

A disk recording / reproducing apparatus comprises:
A loading / unloading section (4) for allowing a disk to pass is provided between the outside of the apparatus and the magazine (3), and the magazine is mounted on the chassis (2).
Surrounding (3) to prevent the disc from flying out of the magazine (3), and providing an escape prevention ring (300) formed with a notch (310) at a site where the input / output unit (4) is provided, The input / output unit (4) is a bracket (26) that covers the top of the magazine (3).
The bracket (26) has a support plate (27) for restricting the upward movement of the magazine (3), and is fixed to the chassis (2) outside the rotation transfer path of the magazine (3). The legs (24) and (24) supporting the (27) are integrally provided, and both legs (24) and (24) prevent the disc from jumping out of the magazine (3) on both sides of the disc transfer path. A projection prevention member (450) is attached.

[0007]

[Function and effect] There is an escape prevention ring outside the magazine (3).
(300) and jump-out prevention member (450) are provided,
Even if the entire apparatus is tilted and the disc is exposed from the outer peripheral surface of the magazine (3), the disc is received by the escape prevention ring (300) and the projection prevention member (450).
The disc does not roll out from the outside. Also,
Bracket (26) with fly-out prevention member (450)
The support plate (27) restricts the upward movement of the magazine (3). Therefore, the single bracket (26) can prevent the disc from jumping out of the magazine (3) and prevent the magazine (3) from being pulled out.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION

(Overall Overview) Hereinafter, an example of the present invention will be described in detail with reference to the drawings. The outline of this example is shown in FIGS. As before,
A processor (200) having a memory function and storing various command signals is connected to a front panel (20) provided on the front of the chassis (2) and having various operation buttons. A rotary shutter (40) is provided at the center of 20). An opening (41) through which the disk D passes is opened at the center of the rotary shutter (40). Chassis
(2) A double cylindrical magazine (3) capable of accommodating a plurality of disks D in a radial manner is provided rotatably on the magazine.
A recording / reproducing section (7) is arranged inside (3). As before, a charging / discharging section (4) is provided outside the rotation transition path of the magazine (3) and inside the front panel (20).

FIG. 4 is a perspective view showing a state where the magazine (3) is turned upside down. The magazine (3) has a plurality of disk storage spaces (3
1) (31) is formed radially, and both ends of each storage space (31) are opened on the outer wall and the inner wall of the magazine (3) to form slit holes that allow a disk to pass through. The magazine (3) is composed of two magazine halves formed by injection molding of a synthetic resin.
(3a) (3a) is provided on top of one another, and key points are
Connected in b).

As shown in FIG. 1, the rotation centers of the input / output unit (4), the recording / reproducing unit (7), and the magazine (3) are located on a straight line, and the recording / reproducing unit (4) is moved from the input / output unit (4). The distance to 7) is set short. In the loading / discharging section (4), a first roller unit (6) for pinching and transporting the disk is provided on the transition path of the disk, and the inner wall of the magazine (3) and the recording / reproducing section are provided.
(7) between the second and third holding the disc in the same manner
Roller units (60) and (61) are provided along the disk loading direction. Outside the rotation transition path of the magazine (3),
A motor (M1) for rotating the magazine (3) is provided, and a loading / discharging section (4) and a recording / reproducing section are provided in a hollow portion of the magazine (3).
A motor (M2) for driving the disk to and from (7)
And a motor (M3) for applying a rotational driving force to the three roller units (6), (60) and (61). Motor (M2)
Also rotates the rotary shutter (40). Therefore, in the disk recording / reproducing apparatus in this example, three motors (M1)
At (M2) and (M3), the disk is transported and the magazine (3) is rotated.

FIG. 3 is a plan view of the chassis 2 from which the front panel 20 has been removed. The lower end of the magazine (3)
It is rotatably fitted to an annular support column (21) erected on the chassis (2), and rests on a plurality of receiving tires (22) (22) arranged on an imaginary circle concentric with the support column (21). ing. A notch (28) is formed in a part of the support column (21) to allow the disk to pass through. On the chassis (2), there is provided an escape prevention ring (300) surrounding the lower end of the peripheral surface of the magazine (3) (see FIG. 5), so that even if the entire apparatus is inclined, the disc can be removed from the magazine (3). Prevent it from jumping out. The escape prevention ring (300) has a notch (310) at a position where the charging / discharging section (4) is arranged.

[0012] On the chassis (2), holding brackets (23) and (23) which cover over the inside and outside of the magazine (3) and a bracket (26) which constitutes the loading / unloading section (4) are separated from each other. Attached. The holding brackets (23) and (23) are fixed to the inside and outside of the magazine (3), respectively.
And a stopper plate (25) integrally covering the magazine (3) by connecting the upper ends of both leg pieces (24) and (24). A bracket (26) constituting the charging / discharging section (4) includes legs (24) and (24) fixed on a chassis (2) outside the magazine (3), and the legs (24).
In addition to connecting the upper end of (24), a support plate (27) that covers the upper surface of the magazine (3) and is connected to the recording / reproducing unit (7) is integrally provided. The tire (22) attached to the support plate (27) is in contact with the upper surface of the magazine (3) and regulates vertical movement that occurs when the magazine (3) rotates. As will be described later, the disc recording / reproducing apparatus in this embodiment includes a magazine rotating mechanism (5), a disc loading / unloading section (4), and a recording / reproducing section on a chassis (2).
A mechanism (1) for transporting the roller unit (7) is provided, and a mechanism for rotating the roller units (6), (60), and (61) is provided on the upper surface of the support plate (27).

(Magazine rotating drive) The magazine (3) in this embodiment has a total of 150 disk accommodation spaces (31).
Are radially provided, and each disk accommodating space (31) has N
Groove numbers from 0.1 to 150 are provided along the counterclockwise direction. As shown in FIG. 4, an annular tooth surface (35) is formed on the periphery of the lower surface of the magazine (3), and a positioning ring (32) concentric with the magazine (3) is formed on the lower surface of the magazine (3). A first rib ring (33) and a second rib ring (34) are provided sequentially from the outside. The positioning ring (32) is formed by connecting the same number of positioning ribs (32a) as the disk accommodation space (31) at an equal pitch. The first rib ring (33) has the same number of transparent windows as the disc storage space (31).
(36) are set up at equal intervals. In the second rib ring (34),
A window-shaped reset detector (37) is opened one by one every 60 °, and an intermediate portion between adjacent reset detectors (37) and (37) is
A position confirmation group (38) has been established. The six reset detectors (37) are NO.1, NO.26, NO.51, NO.7, respectively.
The information corresponding to the disk accommodation space (31) of No. 6, No. 101 and No. 126 is stored in the processor (200).

As shown in FIG. 3, the position confirmation unit group (38)
Along the circumferential direction of the second rib ring (34), two to seven window-like position confirmation parts (38a) are formed in parallel at equal intervals, and each position confirmation part group (38) , Two position confirmation units (38a) (38
From the position confirmation unit group (38) consisting of a),
The position confirmation portions (38a) are formed so as to increase one by one in order. The distance M between both ends of the position confirmation unit group (38) having the longest distance between both ends is shorter than the distance L from the end of the position confirmation unit group (38) to the nearest reset detection unit (37) (see FIG. 24). ). Although the reset detection unit (37) and the position confirmation unit (38a) are window-shaped, they may be formed by projections or the like. In FIG. 24, the distances L from both end portions of the position confirmation unit group (38) to the nearest reset detection unit (37) are equal, but may be different as long as the above conditions are satisfied. The reset detection unit (37) is for detecting a reference position after the device is energized, as described later.
(3) rotates once, and stops when any of the reset detection units (37) is detected. The position confirmation unit group (38) is used to confirm the groove number of the disk accommodation space (31) corresponding to the reset detection unit (37).

The six reset detectors (37) are provided in order to quickly detect a reference position after energization. In other words, the magazine (3) in this embodiment has 150 sheets. Since it accommodates a disk, the reset detector (3
If there is only one (7), it is necessary to rotate the magazine (3) one turn at the longest in order to detect the reference position, and in order to save such trouble, six reset detectors (37) are required. It was provided. In the embodiment, the reset detection unit (37) is 6
However, it is needless to say that six or more may be provided. FIG. 5 is a side sectional view of the magazine (3). A holding groove (39), which penetrates vertically and fits the lower end of the disc, is
It is opened extending in the radial direction of (3). When the disc is loaded into the magazine (3), it rolls down by its own weight into the holding groove (39), and its lower end projects below the magazine (3). When the disc is stored in the magazine (3), the periphery of the disc contacts both ends of the holding groove (39), and the magazine (3)
The attitude within is kept.

FIG. 8 shows a magazine rotating mechanism (5) provided on a chassis (2), a loading / unloading section (4) and a recording / reproducing section.
It is a top view which shows the mechanism (1) which conveys a disk between (7). The motor (M1) provided on the outside of the rotation transfer path of the magazine (3) is connected to the annular tooth surface (35) of the magazine (3) via a belt (54) and two two-stage gears (50) and (51). To rotate the magazine (3) according to the input from the front panel (20). The first rib ring (33) and the second rib ring (3) of the magazine (3)
On the rotational transfer path of 4), sensor means (SE1) and (SE2) each having a pair of photocouplers along the radial direction of the magazine (3) are provided on the side of the disk transfer path,
With the rotation of (3), the sensor means (SE2) becomes a magazine
The reset detecting unit (37) and the position checking unit (38a) of (3), and the sensor means (SE1) detect the transparent window (36), respectively. The two sensor means (SE1) and (SE2) are displaced from the transition path of the disk by one pitch of the disk accommodation space (31).

The transparent windows (36) of the magazine (3) are provided at equal intervals as many as the number of the disk accommodating spaces (31).
After detecting the passage of two transparent windows (36), the adjacent transparent windows (36)
Is detected, it is found that the magazine (3) has rotated by one pitch of the disk accommodation space (31). When the number of the disk storage space (31) facing the loading / unloading section (4) is input from the front panel (20), the magazine (3) has the number of pitches of the disk storage space (31) corresponding to the input number. Rotates. Disk storage space facing the loading / unloading section (4)
The number (31) is stored in the processor (200) connected to the front panel (20).

When the power is turned on after a power failure, or when the power is turned on after the storage contents of the processor (200) are destroyed for some reason, the processor (200) has an input / output unit (4).
Since the number of the disk storage space (31) opposed to the disk storage space (31) is not stored, which disk storage space (31) is
I do not know if it is facing. In this case, the processor (20
0) performs the operation shown in the flowchart of FIG. 9 to detect any one of the reset detection units (37), and to make the disk accommodation space (31) of a predetermined identification number face the insertion / ejection unit (4).
First, the motor (M1) is energized to rotate the magazine (3) clockwise at a constant speed (S1). The sensor means (SE2) detects the window of the second rib ring (34) passing therethrough.
After the rotation of, within a predetermined time, the reset detection unit (37) or the position confirmation unit group (38) detected first is ignored (S2, P1,
P2). That is, in steps P1 and P2, when the position confirmation section group (38) and the sensor means (SE2) face each other at the beginning of rotation of the magazine (3), the position confirmation section group (3
Escape 8) completely. In this case, if the reset detection unit (37) is detected in step S2, the process proceeds from step P2 to step S3. The predetermined time is the same value as a predetermined time described later. As described above, the reason for ignoring the first detected window is that the reset detection unit (37) is initially provided in the sensor means (SE2).
Or, with the position confirmation unit group (38) facing the magazine (3)
May have stopped, the reset detection unit
This is to avoid the erroneous detection of (37).

Next, when the sensor means (SE2) detects the reset detecting section (37) or the position confirming section (38a) of the position confirming section group (38) (S3), it passes within a predetermined time from that point. The number N of windows is counted (S4). Here, the predetermined time is equal to or equal to the time t1 at which the distance M between both ends of the position confirmation unit group (38) having the largest number of position confirmation units (38a) (see FIG. 24) passes through the sensor means (SE2). The above is provided. If the predetermined time is shorter than the time t1, the number of the position confirmation units (38a) cannot be completely confirmed when the position confirmation unit group (38) is detected. The predetermined time is a distance L between the reset detection unit (37) and the position confirmation unit (38a) closest to the reset detection unit (37).
However, it is shorter than the time t2 that passes through the sensor means (SE2).
The reason for this is as follows.
The reset detection unit (37) located at the point X shown in FIG. 4 or the position confirmation unit (38a) located at the point Y. If the predetermined time is longer than t2, if the sensor means (SE2) initially detects the reset detection unit (37) located at the X point, it detects the position confirmation unit (38) located at the Y point within the predetermined time. This is because only the reset detection unit (37) cannot be detected.

In step S4, if the count number N is larger than 1, it is not the reset detection unit (37) that has passed the sensor means (SE2) within a predetermined time, but any one of the position confirmation unit groups (SE). 38), it is possible to determine from the count number N which position of the position confirmation unit group (38) provided on the second rib ring (34). After detecting that the count number N is greater than 1
(S5) The magazine (3) is further rotated, and the sensor means (SE
2) detects the reset detection unit (37) (S6). From the previously detected position confirmation unit group (38), the detected reset detection unit (37)
Reset detection unit corresponding to the disk accommodation space (31)
(37) The processor (200) stops the magazine (3) (S9), and as described above, the sensor means (SE2) is located at a position where the disk storage space (31) is shifted by one pitch from the disk transition path. In this state, the number of the disk storage space (31) facing the loading / unloading section (4) is known. Processor
(200) stores the number of the disk accommodation space (31).

If the count number N is 1 in step S5, it means that the reset detecting section (37) has passed the sensor means (SE2). (38) is detected. By counting the number of windows of the position confirmation unit group (38) (S8), the sensor means (SE2) detects which position of the position confirmation unit group (38) is detected. Reset detection unit (37) and magazine (3)
Is stopped (S6, S9). In this way, after the power is turned on, the disk storage space (3
The magazine (3) stops with the number of (1) known.

FIG. 6 is a right side view of the charging / discharging section (4), FIG. 10 is a plan view of a support plate (27) of the bracket (26), and FIG. 11 is a front view of FIG. . The charging / discharging section (4) is provided on a first end provided at the rear end of the support plate (27) of the bracket (26).
A first roller unit (6) comprising a roller unit (6);
The holding walls (49), (49) are erected on both sides of the. A sensor board (42) is mounted outside each holding wall (49). On the sensor board (42), six sensors (40) that pass through the holding wall (49) and detect the passage of the disk ( SE3) to (SE8) are provided. 6 sensors are 4 sensors (SE3)
~ (SE6) are arranged in one vertical line, and the remaining two sensors (SE7)
(SE8) is disposed inside the first roller unit (6). The reason why a large number of sensors are provided in this manner is that there are discs with a diameter of 12 cm and those with a diameter of 8 cm to be inserted, and the insertion of these two types of discs is reliably detected. The details of this are described in the applicant's earlier Japanese Patent Application Laid-Open No. 6-1958.
No. 42.

Each leg (24) of the bracket (26) and the retaining wall (49)
Between them, a belt-shaped projection prevention member (450) is stretched. As described above, the escape-prevention ring (300) is provided outside the magazine (3). The escape-prevention ring (300) has a notch (310) through which the disc can pass while having a margin. Because of the provision, there is a possibility that the disc may fly out of the front surface of the bracket (26) located in the notch (310) when the entire apparatus is inclined. Therefore, the projection prevention member (4
The disc 50 is completely prevented from jumping out of the magazine 3 by 50), and the support plate 27 of the bracket 26 prevents the magazine 3 from coming off in the upward direction.

In FIG. 11, the first roller unit (6)
Consists of a pair of rollers (6a) and (6b), and both rollers (6a)
The disk holding portion of (6b) is covered with a rubber layer (66). The right roller (6b) is held in a fixed position in contact with the surface of the disk and has a gear (62) at the upper end. The upper end and lower end of the left roller (6a) are respectively attached to the bracket (2).
It is fitted to the support plate (27) and the chassis (2) of 6) in a state where there is a margin so as to be able to approach / separate from the mating roller (6b). A torsion spring (63) is provided on the support plate (27) near the roller (6a).
(6a) is urged by the mating roller (6b), and both rollers (6
a) (6b) are touching. The second roller unit (60) has the same mechanism as the first roller unit (6), and a gear (62) is also provided at the upper end of the right roller (61b) of the third roller unit (61). Have been.

(Roller Rotation Mechanism) The motor (M3) is attached to the lower surface of the support plate (27), and has two intermediate gears (64) and (65).
Through the gears (6) of the second and third roller units (60) and (61).
Connect to 2). The rotation of the motor (M3) causes the second and third roller units (60) and (61) to rotate in the same direction. The gear (62) of the roller (60b) of the second roller unit (60) is
7) meshes with the gear (62) of the roller (6b) of the first roller unit (6) via the upper gear train (67). The first roller unit (6) and the second roller unit (60) rotate in directions opposite to each other. That is, the rollers (6a) (6) of the first roller unit (6)
When b) rotates in the direction of drawing the disk into the magazine (3), the rollers (60a) (60b) of the second roller unit (60)
Rotates in a direction to draw the disk from the recording / reproducing unit (7) toward the magazine (3). Conversely, the first roller unit (6)
When the rollers (6a) and (6b) of the second roller unit (60) rotate in the direction of ejecting the disc from the magazine (3), the rollers (60a) and (60b) of the second roller unit (60) move from the magazine (3) to the recording / reproducing unit. (7) The disc rotates in the direction of ejecting the disc.

The rollers (61a) (61) of the third roller unit (61)
b) are fitted on holding pieces (68) and (68) pivotally supported on the support plate (27), and the two holding pieces (68) and (68) are spring-biased in directions approaching each other. I have. The holding piece (68) in which the right roller (61b) of the third roller unit (61) is fitted is pivotally supported coaxially with the intermediate gear (65), and the roller (61b) is connected to the intermediate gear (65). ) Can revolve around the circumference. When the motor (M3) rotates, all three roller units (6) (60) (61) rotate via the gear (62) and the gear train (67).

(Disk Transport Mechanism) The disk transport mechanism shown in FIG. 8 also rotates the rotary shutter (40). Note that, for convenience of explanation, the bracket (26) covering the magazine (3) is omitted in FIG. Magazine on chassis (2)
The motor (M2) provided inside (3) is a two-stage gear (16)
Via (16), on the left side of the transition path of the disc, a support post (21)
Connected to the first cam gear (10) provided in the notch (28). The first cam gear (10) is connected via two intermediate gears (17) and (18) to a second cam gear (1) located near the charging / discharging section (4).
Connect to 3). A first cam groove is provided on the surface of the first cam gear (10).
(11) The second cam groove (12) is formed on the back surface, respectively.
The cam groove (12) is covered with the first cam gear (10) and engages with a rotating lever (19) whose tip is directed toward the transition path of the disk. First
The cam groove (11) engages with a chuck slide (8) provided to be movable back and forth inside the magazine (3), and the chuck slide (8) is connected to a recording / reproducing unit (7) as described later. Engages.

On the chassis (2), a holding plate (90) extending in the direction in which the disk is transported is erected below the transfer path of the disk, and on the left side of the holding plate (90),
A drive slide (9) is mounted slidably back and forth. The drive slide (9) has rack surfaces (92) and (92) formed at the upper ends of both ends (see FIG. 12), and a projecting piece (93) is provided from the lower end to be engaged with the tip of the rotating lever (19). doing. Drive slide
(9) A pushing piece (94) projects laterally from the rear end, and an intermediate position detection switch is provided on the transition path of the pushing piece (94).
(SW2) is provided. On the rotation transition path at the other end of the rotating lever (19), a kick detection switch (SW1), a standby position detection switch (SW10), and a retraction detection switch (SW1) are provided.
1) and a transfer completion detection switch (SW3) are provided, and the switches (SW1), (SW10), (SW11), and (SW3) are used for detecting the sliding position of the drive slide (9).

A third cam groove (14) is formed on the upper surface of the second cam gear (13), and a fourth cam groove (15) is formed on the lower surface, and a chassis (4) is formed in the fourth cam groove (15). 2) The lock lever (52) pivoted above engages. The lock lever (52) has a protrusion (53) projecting upward at one end, and the protrusion (53) is fitted between the positioning protrusions (32a) (32a) of the magazine (3), The rotation of the magazine (3) is restricted. On the rotation transition path at the other end of the lock lever (52), a lock detection switch (SW5) and a lock release detection switch (SW4) are provided apart from each other. The tip of the third cam groove (14) is the front panel
The base end is engaged with the intermediate lever (43) coaxially supported by the intermediate gear (18) toward the (20) side. A torsion spring (44) is provided at the end of the intermediate lever (43), and one end of the torsion spring (44) is provided at the rear end of the chassis (2) so as to be slidable left and right. Connect to 45). On the upper side of the rotation transition path of the intermediate lever (43), the switch mounting plate (48)
Is provided on the lower surface of the switch mounting plate (48), and is pressed by an intermediate lever (43).
(SW6) and a shutter open detection switch (SW7) are provided,
The open / closed state of the rotary shutter (40) is determined by both switches (SW6) (SW7).

As shown in FIGS. 7 (a) and 7 (b), a projecting piece (46) projects from the lower end of the rotary shutter (40), and the shutter opening / closing slide (45) presses the projecting piece (46). And rotate the shutter (4
Rotate 0). Rotating shutter (40) and front panel (2
During (0), a tension spring (47) having a smaller urging force than the torsion spring (44) is applied, and urges the rotary shutter (40) in the closing direction. As described above, the shutter opening / closing slide (45)
Then, the rotary shutter (40) is not rigidly connected, and opens the rotary shutter (40) via the torsion spring (44). Therefore, even if the rotating shutter (40) slides and the rotating shutter (40) bites the disk in a state where the disk is caught in the rotating shutter (40), the load of the torsion spring (44) is applied to the disk. Is not enough to damage the disk.

FIGS. 12 and 13 are views of the holding plate (90) as viewed from the left side. The front and rear ends of the holding plate (90) pass through the sides of the magazine (3), and
The base end of the kick-out piece (91) (91) that can enter the 1) is the pivot (91a)
A part of the periphery of each kick-out piece (91) has a drive slide
A tooth surface (95) meshing with the rack surface (92) of (9) is formed. The kick-out piece (91) is for kicking out the disc from the disc storage space (31), and has a rubber piece at its free end as a cushioning material.
(Not shown) is attached. That is, the drive slide
(9) constitutes the ejection drive mechanism (9a) for driving the ejection piece (91). Each extruding piece (91) has a free end in a magazine (3) by a tension spring (96) stretched between the holding plate (90) and the holding plate (90).
Of the disk storage space (31)
In a standby state in which the disc is not inserted into the magazine (3), as shown in FIG. 12 (b), the ejection piece (91) on the side of the input / output section (4) has a tip lower than the transition path of the disc. Is off.

On the other hand, in such a standby state, FIG.
As shown in (b) and FIG. 18 (b), the drive slide (9) is drawn toward the recording / reproducing unit (7), and the end pushes the standby position detection switch (SW10). As for the kick-out piece (91) on the recording / reproducing section (7) side, the tooth surface (95) is pushed into the rack surface (92) of the drive slide (9), and the tip passes through the peripheral surface of the magazine (3). Enters the disk accommodation space (31). In this state,
When the disc is inserted from the loading / unloading section (4), the disc rises from the holding groove (39) of the disc accommodating space (31), and the magazine (3) is at an intermediate position where the periphery contacts the tip of the kick-out piece (91). ). Also, the lock lever (52) is
3) is fitted on the positioning ring (32) to restrict the rotation of the magazine (3).

(Recording / Reproducing Section) FIG. 14 is a perspective view of the recording / reproducing section (7), and FIG. 15 is a cutaway front view of the recording / reproducing section (7). The recording / reproducing unit (7) is provided upright on the chassis (2), and accommodates a disk (70) for storing a disk delivered from the magazine (3), and a pivotal support at an upper end of the container (70). Then, a pickup mounting body (71) for freely clamping the disk in the storage case (70) is provided. As is well known, the pickup mounting body (71)
(Not shown) and a turntable (72) are provided.
A clamper (73) having a disk (74) fitted to the turntable (72) is provided on the opposite side of the pickup mounting body (71) with the storage case (70) interposed therebetween. An opening (75) that is pivotally supported at the lower end and that allows the upper end of the clamper (73) to enter is provided on the side surface of the storage case (70).

Third roller unit (61) and storage case (70)
Between them, a sensor (SE9) for detecting passage of the disk and a sensor (SE10) for detecting that the disk has reached a recordable / reproducible position are provided (see FIG. 17). The chuck slide (8) is disposed below the third roller unit (61) and the recording / reproducing unit (7). As shown in FIGS. 14 and 16, the chuck slide (8) has
Roller open / close groove (80), roller open / close surface (83), mounting body open / close groove
(81) (81), a clamper opening / closing groove (82) is opened. On the transition path of chuck slide (8), chuck slide
Clamp completion switch (SW9) pushed by (8)
And a clamp release switch (SW8).
The lower end of one roller (61a) of the third roller unit (61) is fitted in the roller opening / closing groove (80), and the lower end of the other roller (61b) is in contact with the roller opening / closing surface (83). The lower end of the pickup mounting body (71) fits into the mounting body opening / closing groove (81), and the clamper (7
3) are fitted into the clamper opening / closing grooves (82), respectively.

As described above, the chuck slide (8) is the first slide.
The cam gear (10) engages with the first cam groove (11), and in a standby state, as shown in FIG.
(8) is located near the charging / discharging section (4), and pushes the clamp completion switch (SW9), so that both rollers (61a) (61b) of the third roller unit (61) are separated. FIG. 15 (a)
As shown in the figure, the clamper (73) has the disc (74)
Through the opening (75) of (0), it penetrates into the storage case (70) and fits with the pickup mounting body (71). The disc (74) of the clamper (73) and the turntable (7
With the combination of 2), the disk D can be rotated with its center portion lightly held by the disk (74), and recording and reproduction can be performed.

When the chuck slide (8) slides toward the recording / reproducing section (7), the rollers (61a) and (61b) of the third roller unit (61) become, as shown in FIG. Roller opening and closing groove
(80) and the roller opening / closing surface (83), and come into contact with each other. Chuck slide (8) is clamp release switch
(SW8) is pushed in, and as shown in FIG. 15 (b), the pickup mounting body (71) rotates so as to be separated from the storage case (70). The clamper (73) rotates around the pivot, and
(74) escapes from the side of the storage case (70). The mechanism for holding the disc in a freely rotatable manner by combining the pickup mounting body (71) and the clamper (73) in this embodiment is the same as that disclosed by the applicant in Japanese Patent Laid-Open No. 6-195842. It is.

(Disk Transport Operation FIGS. 8, 10, and 1)
2, see FIGS. 13 and 18 to 20) In order to insert a disc from the standby state into the magazine (3) through the loading / ejecting section (4), the following is performed. In the standby state, the first cam gear (10) and the kick-out piece (91) are in the state shown in FIG.
And stand by at the position shown in FIG. First, the front panel (20) is operated to rotate the motor (M3). The right roller (6b) of the first roller unit (6) rotates. When the disk D is held between the rollers (6a) and (6b) through the opening (41) of the rotary shutter (40), the disk D is inserted into the magazine (3) by friction between the roller (6b) and the disk. It is drawn in and rolls on the disk accommodation space (31). After the disk D has passed through the first roller unit (6), the peripheral edge of the disk is kicked off (91).
Abut on the tip. Input / output unit (4) sensor (SE3)-
When the passage of the disk is detected by (SE6) and the predetermined time has elapsed, the motor (M2) rotates and the first cam gear (10) rotates clockwise as shown in FIG. 18 (c). A rotation lever is provided along the second cam groove (12) of the first cam gear (10).
(19) is rotated to slide the drive slide (9) toward the input / output unit (4). The lock lever (52) and the intermediate lever (43) do not rotate, and the rotation of the magazine (3) remains regulated.

As described above, the disk is under its own weight and tends to roll down into the holding groove (39) of the disk accommodation space (31).
From the state shown in FIG. 12 (b), as the drive slide (9) slides backward, the ejecting piece (91) on the recording / reproducing unit (7) side is moved from the halfway position by the tension spring (96) to transfer the disk. Rotate to escape from the road. By rotating the ejection piece (91), the disc is gradually dropped into the holding groove (39) while being in contact with the ejection piece (91) from the inserted state, and stored in the disc accommodation space (31) Is done. The reason why the disc is gradually dropped into the holding groove (39) in this manner is as follows.
If the disc falls down into the holding groove (39) as it is, a collision between the disc and the edge of the holding groove (39) generates an impulsive sound, giving the user discomfort or discomfort. To mitigate the impact noise, the disk must be
When inserted in 1), first, the tip of the ejection piece (91) is brought into contact with the disc, and then the ejection piece (91) is rotated, and the disc is gradually dropped into the holding groove (39). It is.

As shown in FIG. 18C, the driving slide
When (9) pushes the intermediate position detection switch (SW2), the motor (M2) stops. The ejection piece (91) has completed the rotation, and has escaped downward from the disc transfer path as shown in FIG. 12 (a). In this state, the disk is
(31) has entered. When the sensors (SE7) and (SE8) are turned on and it is detected that the disk has passed through the loading / unloading section (4), the processor (200) firstly, after a predetermined time,
The motor (M3) that was rotating the second roller units (6) and (60) is stopped, and the fact that the disk has been inserted into the disk storage space (31) is stored. After operating the front panel (20), the rollers of the first and second roller units (6) and (60) continue to rotate in opposite directions from each other until the disc is completely loaded into the magazine (3). Accordingly, even when the entire apparatus is tilted so that the loading / unloading section (4) side becomes higher when the disc is loaded, the second roller unit on the recording / reproducing section (7) side
Since the disc (60) is rotating in the disc ejection direction, the disc ejected from the inner surface of the magazine (3) is repelled by the second roller unit (60) toward the magazine (3). Therefore, there is no possibility that the disc reaches the recording / reproducing section (7) by mistake.

(Magazine Rotation) When rotating the magazine (3), the pitch number of the rotating disk accommodation space (31) is input from the front panel (20). The motor (M2) rotates, and as shown in FIG.
The intermediate lever (43) rotates counterclockwise along the cam groove (14). The intermediate lever (43) kicks the shutter opening / closing slide (45) and rotates the rotary shutter (40), as shown in FIG. 7 (b). The opening (41) of the rotating shutter (40) closes and the magazine
While the (3) is rotating, another disc is prevented from being loaded into the magazine (3). The second cam gear (13) further rotates, and FIG.
As shown in FIG. 9 (b), the lock lever (52) rotates clockwise along the fourth cam groove (15). The protrusion (53) of the lock lever (52) is separated from the positioning ring (32) of the magazine (3), and the other end of the lock lever (52) is connected to the unlock detection switch.
Press (SW4). After the motor (M2) is stopped by the signal from the switch (SW4), the motor (M1) rotates and the magazine (3) rotates. As described above, the sensor means (SE
1) counts the transparent window (36) of the first rib ring (33) passing therethrough and counts a predetermined number of pitches;
Stop the rotation of, and stop the rotation of the magazine (3). motor
(M2) rotates again, and the lock lever (52) moves along the fourth cam groove (15) of the second cam gear (13) as shown in FIG.
Is rotated to engage the projection (53) with the positioning ring (32).
If a disc has been inserted into the disc storage space (31) facing the loading / unloading section (4), the motor is moved in the state shown in FIG.
(M2) is stopped, and if no disk is inserted, the process returns to the standby state shown in FIG.

(Conveyance to recording / reproducing section: see FIGS. 8, 12, 13, 18, and 20) The disc stored in the disc storage space (31) facing the recording / reproducing section (7) is
The following operation is performed in order to transport the recording / reproducing unit 7 until it is chucked. Operate the front panel (20) to input a signal for recording and reproduction. The motor (M3) rotates, and the respective gears (62) of the second and third roller units (60) and (61) rotate in the disk pull-in direction. 1st roller unit
(6) also rotates, but only idles because it is already away from the disk. As the motor (M2) rotates, the first cam gear (10) rotates clockwise, and as shown in FIG. 20 (a), the chuck slide (8) moves along the first cam groove (11).
It slides toward the recording / reproducing section (7). As shown in FIG. 16 (b), the chuck slide (8) is a clamp release switch.
(SW8) is pushed in, and the sliding of the chuck slide (8) is confirmed. In this state, as described above, the rollers (61a) and (61b) of the third roller unit (61) abut, and both rollers (61a) (61)
b) rotates. Pickup mounting body (71) and clamper
(73) rotate in a direction away from each other, and are set in a state in which the disk can be received. Projection (53) of lock lever (52)
Keeps the magazine (3) fitted in the positioning ring (32) to prevent rotation of the magazine (3).

When the first cam gear (10) further rotates clockwise, as shown in FIG. 20 (c), the rotating lever (19) rotates clockwise along the second cam groove (12). , Drive slide
Slide (9) backward. By the sliding of the driving slide (9), as shown in FIG. 13 (b), the ejection piece (91) on the side of the loading / unloading section (4) rotates against the tension spring (96), and the tip ends in the magazine. It passes through the peripheral surface of (3) and enters the disk accommodation space (31). The ejection piece (91) kicks the disk in the disk accommodation space (31) toward the recording / reproducing unit (7). Since the second and third roller units (60) and (61) are rotating, the disc is drawn toward the recording / reproducing unit (7) (see FIG. 17).

The rotation lever (19) is a conveyance completion detection switch
(SW3) is pushed in, and when it is confirmed by the sensors (SE9) and (SE10) that the disk D has been delivered to the recording / reproducing section (7), the motor (M2) is reversed and the first cam gear (10) is Rotate counterclockwise. By reversing the motor (M2), the first cam gear (10) is returned to the standby state again, and the disk is chucked by the pickup mounting body (71) and the clamper (73). As shown in FIG.
9) rotates counterclockwise, and pushes the drive slide (9) toward the recording / reproducing unit (7). Ejection piece (91) on the input / output part (4) side
Is disengaged from the drive slide (9) and escapes from the disk transition path (see FIG. 12 (a)).

Next, as shown in FIG. 19 (c), the chuck slide (8) is pulled toward the charging / discharging section (4). The pickup mounting body (71) and the clamper (73) respectively engaged with the mounting body opening / closing groove (81) and the clamper opening / closing groove (82) approach each other to hold the center of the disc and
(61a) and (61b) are separated from each other (see FIGS. 15 (a) and 16 (a)). When the chuck slide (8) pushes the clamp completion switch (SW9), the motors (M2) and (M3) stop and the first cam gear
(10) and the rotation of the second and third roller units (60) and (61) are stopped. The first cam gear (10) stops at the position shown in FIG. The rear end of the disk is located between the rollers (61a) and (61b), but since both rollers (61a) and (61b) are separated, the disk can rotate. Recording and reproduction are performed in this state, but the recording and reproduction operation after the pickup mounting body (71) and the clamper (73) are combined is known,
Description is omitted.

(Removal of Disk from Recording / Reproducing Unit) An operation procedure for removing a disk loaded in the recording / reproducing unit (7) from the loading / unloading unit (4) will be described below. First, when a signal indicating that a disk should be taken out is input from the front panel (20), the motors (M2) and (M3) rotate from the position shown in FIG. From the state in which the chuck slides (8), as shown in FIG.
Slides toward the recording / reproducing unit (7). The pickup mounting body (71) and the clamper (73) are opened to release the chuck of the disk and bring the rollers (61a) and (61b) of the third roller unit (61) into contact. As shown in FIG.
Chuck slide (8) is clamp release switch (SW8)
To detect that the slide of the chuck slide (8) is completed. The disk D is held between the rollers (61a) and (61b), and is drawn toward the magazine (3) by the rotation of the rollers (61b).

The clockwise rotation of the first cam gear (10) causes the drive slide (9) to slide toward the input / output section (4). As shown in FIG. 20 (b), the rotation lever (19) pushes the retraction detection switch (SW11), and the motor (M2) temporarily stops. At this position, the ejection piece (91) is as shown in FIG.
As shown in the figure, the disc D inserted in the magazine (3)
Reaches a position where it can abut on the periphery of. If the sensor (SE9) detects the passage of the disk D, the motor (M2) reverses,
The counterclockwise rotation of the first cam gear (10) causes the drive slide (9) to slide toward the recording / reproducing section (7) via the rotating lever (19). As shown in FIG. 12 (a), the disk is gradually inserted into the disk storage space (31) according to the rotation of the ejection piece (91) in the direction of exiting the disk transition path. After the disc is stored in the magazine (3), the further rotation of the motor (M2) causes the first cam gear (10) to rotate counterclockwise, and moves the chuck slide (8) to the loading / unloading section (4). 19 (c)), the intermediate lever (43) rotates and the shutter opening / closing slide (45) slides to the left as shown in FIG. Open 40).

Thereafter, as shown in FIGS. 12 (c) and 18 (a), the drive slide (9) further slides toward the recording / reproducing section (7), and the kick on the recording / reproducing section (7) side. Rotate the piece (91),
The disc is kicked out toward the loading / unloading section (4). motor
(M3) is inverted, and the first roller unit (6) is rotated in the disk discharge direction, and the disk is moved to the first roller unit.
(6) nipped by the rollers (6a) and (6b), and the input / output unit (4)
To the outside of the device. When the rotation lever (19) pushes the kick detection switch (SW1), the motor (M2)
Stops. When it is detected by the sensors (SE3) to (SE6) that the disk is taken out, the motor (M2) is reversed and the rotating lever (19) is rotated clockwise. FIG.
As shown in (b), when the rotation lever (19) pushes the standby position detection switch (SW10), the motor (M2) stops and returns to the standby state.

In this embodiment, since the escape prevention ring (300) and the projection prevention member (450) are provided outside the magazine (3), the entire apparatus is inclined and the magazine (3) is inclined. ), The disk is received by the escape prevention ring (300) and the projection prevention member (450), so that the disk does not jump out of the magazine (3).
Further, the upward movement of the magazine (3) is restricted by the support plate (27) of the bracket (26) to which the projection prevention member (450) is attached. Therefore, one bracket (26) prevents the disc from dropping from the magazine (3),
(3) can be stopped.

The description of the above embodiments is for the purpose of illustrating the present invention and should not be construed as limiting the invention described in the claims or reducing the scope thereof. Further, the configuration of each part of the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made within the technical scope described in the claims.

[Brief description of the drawings]

FIG. 1 is a schematic diagram of a disk recording / reproducing apparatus.

FIG. 2 is a perspective view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is a perspective view showing the magazine upside down.

FIG. 5 is a sectional view showing the positional relationship between the magazine and the sensor means.

FIG. 6 is a right side view showing a positional relationship among a rotary shutter, a loading / unloading section, and a magazine.

FIG. 7A is a plan view showing a state where the rotary shutter is open, and FIG. 7B is a plan view showing a state where the rotary shutter is closed.

FIG. 8 is a plan view showing a magazine rotating mechanism and a mechanism for transporting a disc between an input / output unit and a recording / reproducing unit.

FIG. 9 is a flowchart showing the operation of the processor and the sensor means when the power is turned on.

FIG. 10 is a plan view showing a roller rotation mechanism.

FIG. 11 is a front view of the same.

12A is a side cross-sectional view showing a state in which a disk is inserted into a disk storage space, FIG. 12B is a view showing a standby state of the disk storage apparatus, and FIG. It is a figure which shows the state which kicks out.

FIG. 13A is a side cross-sectional view showing a state in which a disc inserted from the recording / reproducing unit side is supported by an ejection piece, and FIG.
FIG. 4 is a diagram showing a state in which the disc is kicked out toward the recording / reproducing unit of the above.

FIG. 14 is a perspective view of a recording / reproducing unit.

15A is a cross-sectional view showing a state where the clamper and the pickup mounting body are fitted together, and FIG. 15B is a view showing a state where the same clamper and the pickup mounting body are separated from each other.

FIG. 16A is a plan view showing a state in which the chuck slide slides toward the loading / unloading section, and FIG. 16B is a view showing a state in which the chuck slide slides toward the recording / reproducing section.

FIG. 17 is a left side view illustrating a positional relationship among a magazine, second and third roller units, and a storage case.

FIG. 18 is a plan view showing the operation of the disk transport mechanism.

FIG. 19 is a plan view showing the operation of the disk transport mechanism.

FIG. 20 is a plan view showing the operation of the disk transport mechanism.

FIG. 21 is a plan view showing a conventional disk recording / reproducing apparatus.

FIG. 22 is a perspective view of the same.

FIG. 23 is a sectional view showing the relationship between a kick-out member and a magazine in a conventional disk recording / reproducing apparatus.

FIG. 24 is a plan view illustrating a positional relationship between a reset detection unit of the magazine and a group of position confirmation units.

[Explanation of symbols]

 (2) Chassis (3) Magazine (4) Loading / discharging section (24) Leg (26) Bracket (27) Support plate (300) Escape ring (310) Notch (450) Protrusion prevention member

Claims (1)

(57) [Claims] 1. A rotatably mounted chassis (2),
A magazine (3) radially forming a narrow disk accommodation space (31) capable of accommodating a disk in an upright state, and a magazine (3) provided outside the magazine (3) to allow communication between the outside of the apparatus and the magazine (3). In a disk recording / reproducing apparatus having a loading / discharging section (4) for allowing a disk to pass therethrough, an outer peripheral wall of the magazine (3) has a loading / discharging section for communicating with each disk accommodating space (31). Slit holes are opened corresponding to the arrangement pitch of the disk storage space (31), and the chassis
(2) The magazine (3) surrounds the magazine (3) to prevent the disc from jumping out of the disc storage space (31) of the magazine (3), and has a notch in the area where the loading / unloading section (4) is provided. (31
0) is formed, and the charging / discharging portion (4) has a bracket (26) covering the upper surface of the magazine (3), and the bracket (26) is located above the magazine (3). A support plate (27) for restricting movement, and a support plate (27) fixed to the chassis (2) outside the rotation transition path of the magazine (3);
With the legs (24) (24) that support the body, both legs (24) (24)
Magazines on both sides of the transfer path
An anti-flying member (4) to prevent the disk from flying out of (3)
50) A disk recording / reproducing apparatus to which 50) is attached.