JP2001101745A - Disk conveying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small sized. disk conveying device capable of conveying a disk without being influenced by the outer peripheral shape of the disk in a disk changer device. SOLUTION: When a pair of upper and lower conveying rollers 12, 13 positioned at the position Q1 are rotated by a motor 14 so as to convey the disk 10 in the direction A of the inside of the device in the case of inserting the disk 10, self-propelled rollers 18, 19 at the tip end of the conveying rollers 12, 13 are self propelled in the direction B of the outside of the device. However, the self-propelled rollers are idled because the movement is disturbed by a stopper pin 22, and whereby the disk 10 is conveyed in the direction A of the inside of the device by the conveying rollers 12, 13. When the disk 10 is conveyed up to the position P1, the self-propelled rollers 18, 19 are inverted at this time, the conveying rollers 12, 13 are rocked around a vertical shaft 16 up to the position Q2, and then the disk 10 is conveyed up to the reproducing position P2 in the same manner.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a disk transport device of a disk changer device for selecting and reproducing one disk from a plurality of stacked disks.

[0002]

2. Description of the Related Art Disc changer devices are required to be miniaturized due to the diversification of installation locations. Particularly when the installation space is limited as in a vehicle-mounted device, further miniaturization is required. I have. In a disk changer device, a disk transfer device for inserting a disk into the device or discharging the disk out of the device is disclosed in, for example, Japanese Patent Application Laid-Open No. 9-102.
Generally, a configuration as shown in JP-A-158-158 and JP-A-8-321122 is used. Hereinafter, an example of a conventional disk transport device will be described with reference to FIG.

In FIG. 7, a pair of disk transport rollers including a rubber driving roller and a driven roller rotatably supported at both ends by bearings 4 and 5 are provided near a disk insertion port 2 in a changer device housing 1. 3 are arranged.
A rotating shaft of a motor 7 is connected to one end of a drive-side roller of the disk transport roller 3 via a gear train 6. When the disc 8 is inserted from the disc insertion slot 2, the motor 7 rotates by a sensor that detects the insertion, and conveys the disc 8 to the standby position P1, from which the disc 8 is conveyed to a reproduction position P2 by a driving unit (not shown). Reproduction is performed by the optical pickup at the position P2. When the disk 8 is ejected, the lever 9 pushes the outer periphery of the disk 8 by driving means (not shown), and the pushed disk 8 is transported to a standby position P1, from which the disk transport roller 3 drives the apparatus from the disk insertion port 2 to the apparatus. It is discharged outside. As described above, even in the conventional disk transport device, the disk can be inserted and ejected by the pair of transport rollers.

[0004]

However, in the above-mentioned conventional disk transport apparatus, when a disk is inserted into the apparatus or ejected out of the apparatus, the disk insertion slot 2 is used.
Is transported by the disk transport roller 3 from the standby position P1 to the standby position P1, but other transporting means is required from the standby position P1 to the reproduction position P2, which increases the size of the apparatus, the number of parts, and the cost. There was such a problem.
Further, in the above-mentioned conventional disk transport device, when the disk is ejected out of the device, the outer periphery of the disk is pushed out by the lever 9, so that there is a problem that it is not possible to sufficiently cope with a change in the outer shape of the disk, for example, a defect in the outer periphery of the disk. there were.

The present invention solves such a conventional problem. A disk transport apparatus capable of transporting a disk from an insertion / ejection position to a reproduction position by the same drive source and transport means. Is provided.

[0006]

In order to achieve the above object, a disk transport apparatus of the present invention comprises: a transport roller for transporting a disk in contact with a disk; a driving unit for driving the transport roller to rotate; While rotatably supporting one end of the roller, rocking support means for rocking the transport roller in a plane parallel to the disk, and rotating self-propelling means provided at the other end of the transport roller, The rotary self-propelling means includes a guiding means for guiding the self-propelling means, and a positioning means for regulating a self-propelled position of the rotary self-propelling means. With this configuration, the transport roller can transport the disk and swing itself to move the position.
By using the same drive source and the same transport roller, the disk can be transported from the insertion / ejection position to the reproduction position, and the apparatus can be reduced in size and the number of parts and cost can be reduced.

Further, in the disk transport apparatus according to the present invention, the transport roller comprises a pair of drive rollers and a driven roller for nipping and transporting the disk. It can be conveyed to.

Further, the disk transport device of the present invention is characterized in that the rotating self-propelling means is a rubber roller, so that the rotating self-propelling means can rotate and self-run using the friction of the rubber roller.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) As shown in FIG. 1, a disk transport device according to Embodiment 1 of the present invention comprises a housing 11 having a pair of metal rotating shafts 12a and 13a covered with rubber. A transport roller including a drive roller 12 and a driven roller 13, and a motor 14 for rotating the transport rollers 12 and 13
And a gear train 15 for transmitting the rotational force of the motor 14 to the transport rollers 12 and 13, and the motor-side ends of the transport rollers 12 and 13 are rotatably supported and swingable about a vertical axis 16. And a swing support member 17 for horizontally swinging the transport rollers 12 and 13 in a plane parallel to the disk 10, and a rotating shaft 12 at the other end of the transport rollers 12 and 13.
a, rubber self-propelled rollers 18 and 19 fixed to 13a
Guide plate 2 for guiding the movement of self-propelled rollers 18 and 19
0, a coil spring 21 for pressing the self-propelled rollers 18, 19 against the guide plate 20, and first springs provided at both ends of the guide plate 20 for regulating the swing range of the transport rollers 12, 13. Stopper pin 22 and second stopper pin 23
And a movable stopper 24 provided on a side surface of the guide plate 20 so as to be rotatable in a vertical direction.

The gear train 15 includes a small-diameter motor gear 15 a fixed to the rotating shaft of the motor 14, a large-diameter driving gear 15 b fixed to the rotating shaft 12 a of the driving roller 12 and meshing with the motor gear 15 a, and a driven roller 13 Rotating shaft 13a
And a large-diameter driven gear 15c engaged with the driving gear 15b. The self-propelled rollers 18 and 19 are formed smaller than the diameters of the transport rollers 12 and 13 by the thickness of the guide plate 20. The guide plate 20 is mounted on the swing support member 17.
Are formed in an arc shape centered on the vertical axis 16. The stopper pins 22 and 23 are fixed on the guide plate 20 at a position where the stopper pins 22 and 23 come into contact with the rotation shafts 12 a and 13 a of the transport rollers 12 and 13. The movable stopper 24 is selectively positioned by an unillustrated solenoid or the like at a retracted position parallel to the guide plate 20 and an upright operating position.

Next, the operation of the first embodiment will be described. First, in FIG. 1, when the disc 10 is inserted from the disc insertion port 11a with the transport rollers 12, 13 positioned at the first position Q1 close to the disc insertion port 11a, the sensor that detects the insertion of the disc 10 , The motor 14 rotates forward to rotate the transport rollers 12 and 13 via the gear train 15 so as to transport the nipped disk 10 in the direction A inside the apparatus. Transport roller 1
When the rollers 2 and 13 rotate, the self-propelled rollers 18 and 19 also rotate in the same direction and attempt to run in the direction B outside the apparatus. The rotation of the disks 12 and 13 enables the disk 10 to be transported in the direction A inside the device. The transport of the disk 10 by the transport rollers 12, 13 at the first position Q1 is, as shown in FIG. 3, transported only to the first position P1. After reaching the first position P1, the motor 14 is rotated in the reverse direction so that the transport rollers 12, 13 are moved by the self-propelled rollers 18, 19 so that the vertical axis 1
6, the motor 14 is normally rotated again at the second position Q2 blocked by the second stopper pin 23, and the movable stopper 24 is raised.
Thereby, similarly to the operation at the first position Q1,
The disk 10 is transported by the transport rollers 12 and 13 to a second position P2 which is a reproduction position. Thereafter, the movable stopper 24 is turned down so that the self-propelled rollers 18, 1
9, the conveying rollers 12 and 13 are oscillated in the direction B outside the apparatus, the motor 14 is stopped at the first position Q1, and the apparatus stands by at the position Q1 while the disk 10 is being reproduced.

Next, when the reproduction of the disk 10 is completed and the disk 10 is ejected out of the apparatus, the motor 14 is rotated in the reverse direction so that the transport rollers 12 and 13 located at the first position Q1 18 and 19, the second position Q
2 and the disk 10 is sandwiched between the transport rollers 12 and 13 at the position Q2 as shown in FIG. Second
At the position Q2, the self-propelled rollers 18, 19 are stopped by the second stopper pins 23 and run idle, so that the transport rollers 12, 1
Due to the rotation of the disk 3, the disk 10 sandwiched between them is transported in the direction B outside the apparatus. The disk 10 is transported to the discharge position P3 in FIG. 3 by the transport rollers 12, 13 located at the second position Q2, so that the disk 10 can be taken out of the apparatus by the operator pulling out the disk 10.

As described above, according to the first embodiment,
A pair of transport rollers 12 and 13 for transporting the disk 10 while sandwiching the disk 10, a motor 14 for rotating and driving the transport rollers 12 and 13, and one end of the transport rollers 12 and 13 are rotatably supported and transported. Rollers 12, 13
Support member 17 for swinging the paper in a plane parallel to the disk 10, self-propelled rollers 18, 19 provided on the other ends of the transport rollers 12, 13, and self-propelled rollers 18, 19. A guide plate 20 for guiding; a coil spring 21 for pressing the self-propelled rollers 18 and 19 against the guide plate 20;
Stopper pins 22, 2 for regulating the movement range of 8, 19
3, the disk can be transported from the insertion / ejection position to the reproduction position by using the same drive source and transport roller, so that the apparatus can be downsized and the number of parts and cost can be reduced. it can. Further, the disk can be transported without being affected by the outer peripheral shape of the disk.

(Embodiment 2) Next, Embodiment 2 of the present invention will be described. As shown in FIG. 4, the disk transport device according to the second embodiment of the present invention differs from the first embodiment only in the rotating self-propelling means, the guide means, and the positioning means. This will be described below. In FIG. 4, the transport rollers 12,
The other end of 13 is rotatably supported by a bearing member 31, and a self-propelled roller 32 made of rubber is fixed to the rotation shaft 12 a of the drive roller 12 of the transport rollers 12 and 13. The rotation shaft 12 a of the drive roller 12 is passed through a guide hole 34 of a resin-made guide member 33 fixed to the bottom of the housing 11. The self-propelled roller 32 has a larger diameter than the transport rollers 12 and 13 and has a diameter that comes into contact with the bottom of the housing 11. The guide member 33 is formed in an arc shape centered on the longitudinal axis 16 of the swing support member 17, and has a guide hole 34,
It is formed in a long hole along the arc shape, and both ends 34a, 34b of the long hole serve as positioning means for regulating the swing range of the transport rollers 12, 13. Guide member 33
The height position of the guide hole 34 is adjusted so that the upper portion of the guide hole 34 contacts the rotating shaft 12 a and the self-propelled roller 32 is pressed against the bottom of the housing 11. Alternatively, the self-propelled roller 32 may be pressed against the bottom of the housing 11 by a spring means.

Next, the operation of the second embodiment will be described. First, in FIG. 4, when the disc 10 is inserted from the disc insertion slot 11a in a state where the transport rollers 12, 13 are located at the first position Q1 close to the disc insertion slot 11a, the sensor detecting the insertion of the disc 10 , The motor 14 rotates forward to rotate the conveying rollers 12 and 13 via the gear train 15 so as to convey the sandwiched disk 10 in the direction A inside the apparatus. When the transport rollers 12 and 13 rotate, the self-propelled roller 32 also rotates in the same direction as the drive roller 12 and rolls on the bottom of the housing 11 while rotating.
The swinging member 17 swings around the longitudinal axis 16 in the direction A inside the apparatus. At this time, the disc 1 inserted between the transport rollers 12 and 13 due to a difference in radius from the self-propelled roller 32.
0 is conveyed in the direction A inside the apparatus. As a result, the transport rollers 12, 13 move from the first position Q1 to the second position Q2 as shown in FIG.
4 is stopped by the positioning end 34b of the
0 is continuously moved to the reproduction position P by the conveying rollers 12 and 13.
It is transported to 2. Thereafter, the motor 14 is rotated in the reverse direction so that the transport rollers 12 and 13 are
To the second position Q2, and waits at the position Q1 while the disk 10 is being reproduced.

Next, when the reproduction of the disk 10 is completed and the disk 10 is to be ejected out of the apparatus, the motor 14 is rotated in the normal direction, so that the transport rollers 12 and 13 located at the first position Q1 are self-propelled. The roller 32 is moved to the second position Q2, and as shown in FIG.
13 and the disk 10
And the self-propelled roller 32 causes the transport roller 1
2 and 13 are oscillated around the longitudinal axis 16 of the oscillating support member 17 in the direction B outside the apparatus. At this time, the disc 10 inserted between the transport rollers 12 and 13 is transported in the direction B outside the apparatus due to a difference in radius from the self-propelled roller 32. Then, as shown in FIG. 6, the transport rollers 12, 13 are moved to the first position Q.
When the disk 10 is moved to 1, the movement is blocked by the positioning end 34a of the guide hole 34 at the first position Q1, and the disk 10 is continuously ejected outside the apparatus by the transport rollers 12, 13.

As described above, according to the second embodiment,
A pair of transport rollers 12 and 13 for transporting the disk 10 while sandwiching the disk 10, a motor 14 for rotating and driving the transport rollers 12 and 13, and one end of the transport rollers 12 and 13 are rotatably supported and transported. Rollers 12, 13
Support member 17 for swinging the disk in a plane parallel to the disk 10, a bearing member 31 for rotatably supporting the other ends of the transport rollers 12, 13, and a driving roller 12 of the transport rollers 12, 13. Self-propelled roller 32 provided at the other end of the
And a guide member 33 having a guide hole 34 for guiding the position of the self-propelled roller 32 and guiding the position of the self-propelled roller 32. , The size of the apparatus and the number of parts and cost can be reduced. Further, the disk can be transported without being affected by the outer peripheral shape of the disk.

The first and second embodiments are of a type in which the disk 10 is nipped and transported by a transport roller comprising a pair of drive rollers 12 and a driven roller 13, but the transport rollers are only drive rollers. The present invention can be applied to an apparatus of a type in which a disk is conveyed by a driving roller while using a sliding plate made of tetrafluoroethylene or the like instead of the driven roller while the disk is in contact with the sliding plate. Further, a gear may be used as the rotating self-propelling means, and a rack may be used as the guiding means, so that the two can be engaged and guided.

[0019]

As described above, the disk transport device of the present invention comprises a transport roller for transporting a disk in contact with a disk, a driving means for rotating the transport roller, and
Swing support means for rotatably supporting one end of the transport roller and swinging the transport roller in a plane parallel to the disk; and rotating self-propelling means provided at the other end of the transport roller. A guide means for guiding the self-propelled rotation of the rotary self-propelling means, and a positioning means for regulating the self-propelled position of the rotary self-propelled means. Can be transported from the insertion / ejection position to the playback position, the size of the apparatus can be reduced, the number of parts and cost can be reduced, and the disk can be transported without being affected by the outer peripheral shape of the disk. It has the effect of being able to.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view when a disc is inserted in a disc transport device according to a first embodiment of the present invention.

FIG. 2 is a schematic plan view when a disc is inserted and ejected in the disc transport device according to the first embodiment of the present invention;

FIG. 3 is a schematic perspective view of the disc transport device according to the first embodiment of the present invention when the disc is ejected.

FIG. 4 is a schematic perspective view when a disc is inserted in the disc transport device according to the second embodiment of the present invention;

FIG. 5 is a schematic plan view when a disc is inserted and ejected in the disc transport device according to the second embodiment of the present invention;

FIG. 6 is a schematic perspective view at the time of ejecting a disc in the disc transport device according to the second embodiment of the present invention;

FIG. 7 is a schematic plan view when a disc is inserted and ejected in a conventional disc transport device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 11 housing 11a disk insertion slot 12 transport roller (drive roller) 13 transport roller (driven roller) 14 motor 15 gear train 16 longitudinal axis 17 swing support member 18, 19 self-propelled roller 20 guide plate 21 coil spring 22 first stopper Pin 23 Second stopper pin 24 Movable stopper 31 Bearing member 32 Self-propelled roller 33 Guide member 34 Guide hole 34a, 34b Positioning end

Claims (3)

[Claims] A transport roller that transports the disk in contact with the disk; a driving unit that rotationally drives the transport roller; rotatably supports one end of the transport roller; and moves the transport roller parallel to the disk. Swing supporting means for swinging within a plane, a rotating self-propelling means provided on the other end side of the transport roller, a guiding means for guiding self-propelling of the rotating self-propelling means, and the rotating self-propelling means And a positioning means for regulating the self-propelled position of the disk. 2. The disk transport device according to claim 1, wherein the transport roller comprises a pair of a drive roller and a driven roller for nipping and transporting the disk. 3. The disk transport device according to claim 1, wherein said rotating self-running means is a rubber roller.