JPH087583Y2 - Mounting device for movable plug for disc write protection - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a movable plug positioning device used when a movable disk write-protect plug is mounted in a cartridge of a disk such as an optical disk or a magnetic disk. is there.

[Conventional technology]

To assemble a cartridge of this type in the past
As disclosed in Japanese Laid-Open Patent No. 61-278094, the upper half piece and the lower half piece are separated from the beginning, and the two pieces are paired and conveyed in one direction while various parts are assembled to the half piece.

The disk write-protection movable plug is also inserted into the half-piece during the assembly of the cartridge as one part, but since the plug has a relatively complicated shape, it has conventionally been necessary to perform all the operations manually. It was

[Problems to be solved by the device]

As described above, assembling all the movable plugs by hand lowers the manufacturing efficiency of the cartridge and increases the cost.

In addition, there is a drawback that accurate positioning is difficult even if it is manually attached or attached by a computer-controlled robot conveyance device or the like.

[Means for solving the problem]

According to the present invention, a conveyor for intermittently running the separated upper half piece 3 and lower half piece 4 of a disc storage cartridge 1 in one direction, and two storage portions 10, 11 of the upper half piece 3 or the lower half piece 4 on the conveyor. A movable plug inserting device for inserting the movable plug 9 into each of the housings, and before the movable plug 9 is inserted into the one accommodating portion 11 by the movable plug inserting device, the movable plug 9 is inserted into the accommodating portion 11 through the long hole 20 thereof. A pin 33 driven by a vertical reciprocating mechanism 34 which is inserted into the hole 15 of the protrusion 14 of the movable plug 9 inserted by the movable plug inserting device.
And when the movable plug 9 is inserted into the other accommodation portion 10 by the movable plug insertion device, it is driven by a vertical reciprocating mechanism that holds the movable plug 9 from below the elongated hole 20 of the accommodation portion 10 by vacuum suction. And a reciprocating mechanism for moving the pins to the stacking position when the upper half piece 3 and the lower half piece 4 are carried to the stacking position by the conveyor. The structure of the mounting device is adopted.

[Action]

When the conveyor conveys the separated upper half and lower half of the cartridge to the position where the movable plug is inserted and pauses, the up-and-down reciprocating mechanism operates to raise the pin and the length of one of the upper half or lower half Let it penetrate into the hole. Further, another vertical reciprocating mechanism is activated to expose the pin for vacuum suction to the long hole of the other storage portion. Therefore, when the movable plug insertion device supplies the movable plugs to the respective storage portions, the tip of the pin of one of the movable plugs enters the hole of the protrusion, and accordingly, the movable plug is stored in the proper position of the storage portion according to the guide. .
The other movable plug is adsorbed by the vacuum suction pin and held in the other storage portion.

Then, as the conveyor carries the upper and lower halves to their stacking position, the pins and the vertical reciprocating mechanism also move to the same position. Therefore, when the upper half piece and the lower half piece are overlapped with each other, the movable plug is firmly held, and the movable plug is quickly and accurately set at a predetermined position in the cartridge.

When the movable plug is inserted into the predetermined position, the vertical reciprocating mechanism lowers the pin, and then the reciprocating mechanism returns the pin to the original position. Then, both pins wait for the arrival of the upper and lower half pieces of the next cartridge and the movable plug, and repeat the same operation as described above.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

First, referring to FIGS. 5 to 8, a disk storage cartridge having a movable disk write-protection plug will be described.
It will be described with reference to the drawings.

As shown in FIGS. 5 and 6, the cartridge 1 for storing a disk has an upper half piece 3 and a lower half piece 4 which are in the shape of a rectangular shallow container for sandwiching and storing a disk 2 such as an optical disk or a magnetic disk. It consists of

The upper half piece 3 and the lower half piece 4 are provided with a concave portion 5 and a convex portion 6 which are fitted to each other when they overlap each other so as to face each other at locations along the peripheral wall.

By fitting the concave portion 5 and the convex portion 6 into each other, the upper half piece 3 and the lower half piece 4 are integrated by sandwiching the disk 2 therebetween, thereby forming the main body of the cartridge 1.

The main body of the cartridge 1 is a flat quadrangle, and the two corners thereof have two sets of write protect mechanisms 7, as shown in FIG. 7, corresponding to the front surface and the back surface of the disk 2, respectively. 8 are provided.

The write-inhibiting mechanisms 7 and 8 include a movable plug 9 and accommodating portions 10 and 11 formed in the cartridge 1 for accommodating the movable plug 9 in the cartridge 1 so as to be movable along its extending direction. It consists of

As shown in FIGS. 8A and 8B, the movable plug 9 has a plastic block-shaped main body 12 and projections 13 and 14 that project from the upper and lower surfaces of the main body 12, respectively. A hole 15 is formed in the protrusion 14 on the lower surface side.
The hole 15 is for inserting a pin or the like described later when the movable plug 9 is moved.

A locking leg 16 is provided on a surface of the block-shaped main body 12 that intersects with the surface on which the projections 13 and 14 are provided, and a locking portion 17 is formed at the tip of the locking leg 16. There is.

The accommodating portions 10 and 11 are mainly composed of empty chambers for holding the block-shaped main body 12 and guiding the sliding movement thereof, and the empty chambers are ribs formed on the upper half piece 3 and the lower half piece 4, respectively. It is formed by combining the members 18. Further, a protrusion 19 for engaging with the locking portion 17 at the tip of the locking leg 16 is provided at a predetermined position inside the storage portions 10 and 11. Further, in the wall portions of the upper and lower half pieces 3 and 4 in the storage portions 10 and 11, long holes 20 extending along the storage portions 10 and 11 for communicating the empty chamber with the outside of the cartridge are formed, respectively.
The upper and lower protrusions 13 and 1 of the movable plug 9 are provided in the elongated hole 20.
4 is inserted.

The movable plug 9 is inserted into the elongated hole 20 such that the protrusions 13 and 14 are opposite to each other between the one write prohibiting mechanism 7 and the other write prohibiting mechanism 8.

In addition, in FIG. 5 and FIG. 6, reference numeral 21 is the upper half piece 3.
And a circular hole provided corresponding to the hole at the center of the disk of the lower half piece 4, and reference numeral 22 is a rectangle for inserting a read / write head (not shown) provided at a position in contact with the hole 7. It is a hole.

Further, reference numeral 23 denotes a shutter which covers the upper half piece 3 and the lower half piece 4 which are overlapped with each other to open and close the both holes 4 and 5 from above. The shutter 23
Is made of a thin metal plate bent in a substantially U shape, and the bent portion is connected to the main body of the cartridge 1 via a slider 24. The slider 24
Is housed in a groove formed by matching the upper half piece 3 and the lower half piece 4, and the shutter 23 is fixed to the slider 24 with a screw. Further, reference numeral 25 denotes a torsion spring interposed between the slider 24 and the inner wall of the cartridge. Due to the torsion spring 25, the shutter 23 keeps the holes 21 and 22 closed or open.

When using the cartridge 1 having the above-mentioned structure, in order to prohibit writing of the disk 2 therein, a pin or the like is inserted into the hole 15 of the one protrusion 14 of the movable plug 9 and the movable plug 9 is slid. , The locking part 17 at the tip of the locking leg 16
Are engaged with the protrusions 19 in the storage portions 10 and 11.

By doing so, the detection pin (not shown) on the recording / reproducing apparatus side detects the prohibited state and prevents the read / write head from contacting the disk 2.

Next, the operation of inserting the movable plug in assembling the cartridge 1 will be described with reference to FIGS. 1, 3, and 4.

The cartridge 1 is assembled through the steps shown in FIG. 4, starting from the supplying step A of the upper and lower half pieces 3 and 4, and the separating step B of the upper and lower half pieces 3 and 4.
After each process of a loading process C of the disk 2, a mounting process D of the slider 24, a mounting process E of the movable plug 9, an overlaying process F of the upper and lower halves 3 and 4, a screwing process G, and a movable plug inspection process H. After the mounting of the interior parts of the cartridge is completed, the product is obtained by going through each process such as a shutter 23 mounting process and a torsion spring 25 mounting process (not shown).

The apparatus for performing each of the steps is arranged along a linear assembly line, and a conveyor for moving the upper and lower half pieces 3 and 4 in one direction is installed on the straight line. The conveyor is provided with two rows of endless chains 26, and the endless chains 26 are provided with clamps (not shown) for holding the cartridges 1 at predetermined intervals. Then, the conveyor is configured to intermittently travel by one pitch, with the distance between adjacent clamps as one pitch.

In addition, the clamp is provided with a leaf spring or the like that elastically abuts the four surroundings of the cartridge 1 placed horizontally.

First, in the supply step A of the upper and lower halves 3 and 4, the upper and lower halves 3 and 4 are gripped by the first clamp in the endless chain 26 of the conveyor in the fitted state, and the next upper and lower halves 3 and 4 are separated. The lower half 4 is left on the conveyor at B, and the upper half 3
Are separated from the lower half piece 4. The optical disk 2 is placed on the lower half piece 4 in the disk loading step C, the slider 24 is inserted into the slide groove 27 of the lower half piece 4 in the slider mounting step D, and the movable plug 9 is inserted in the movable plug mounting step E. Are inserted into the two storage parts 10 and 11 of the lower half piece 4, respectively.

This insertion operation is performed by the movable plug mounting device shown in FIG. 3 and the movable plug positioning device shown in FIG.

In FIG. 3, reference numeral 28 is a circular saucer on which a large number of movable plugs 9 are stocked, and each movable plug 9 is moved from the saucer 28 to the conveyor of the assembly line by the vibration applied to the saucer 28. Enter the rails 29 of the left and right that extend toward, and proceed in a line through them.

The rail 29 has the block-shaped main body on both left and right sides.
They are arranged at intervals of about 12 lengths, and are arranged at intervals of about the diameter of the projections 13 and 14 in each set.

Further, the locking leg 16 of the movable plug 9 is provided at the end of the rail 29.
Emitters / receivers 30a, 30b are installed for detecting the.

Further, a computer-controlled robot transfer device, which is a movable plug insertion device, is installed at a position where the rail 29 comes into contact with the conveyor, and is positioned at the end of the rail 29 by a hand 31 attached to the arm tip of the robot. The movable plugs 9 are carried one by one toward the lower half piece 4.

The movable plug 9 has the projections 13 and 14 at both ends thereof on the rail 2
By being held at 9, it descends along the rail 29, and the direction is detected by the light emitter / receiver 30 at the lowermost end thereof. Then, according to the orientation, the movable plug 9 is temporarily stopped by the robot hand 31 to accommodate the storage portion 11 of the lower half piece 4.
Carried to.

On the other hand, as shown in FIG. 1, a movable plug positioning device 32 is installed in the conveyor below the storage portion 11 of the lower half piece 4. Reference numeral 33 is an engaging member capable of engaging with the protrusion 14 of the movable plug 9 of the device 32. The engagement member 33 is in this case a pin which extends perpendicular to the lower half 4.

The pin is fixed to a movable piece of a solenoid, which is a reciprocating mechanism 34, and the reciprocating mechanism reciprocates the engaging member 33 toward the cartridge 1 when the conveyor is stopped to move the movable plug. The protrusion 14 of 9 is inserted into the long hole 20 of the cartridge to be inserted, and the engaging member 33 is moved back after the movable plug 9 is inserted into a predetermined position in the cartridge 1. There is.

The solenoid serving as the reciprocating mechanism 34 is attached to a stationary portion such as a frame in the conveyor.

As a result, when the movable plug 9 arrives just above the elongated hole 20 of the cartridge by the hand 31 of the robot as described above, the tip of the engaging member 33 penetrating the elongated hole 20 upwards causes the protrusion 14 of the movable plug 9 to move. It goes into the hole 15 of. Then, the movable plug 9 is guided by the engaging member 33 and moves down inside the storage portion 11 to be stored at an appropriate position.

Although there is no pin in the storage portion 10, the movable plug 9 is attached by the robot hand in the same manner as described above.

In this way, when the required parts such as the movable plug 9 are mounted in the lower half piece 4, the upper and lower half pieces 3 and 4 are superposed (step F), and subsequently screwed (step G). ).

It should be noted that there is no protrusion 19 in the storage portion 10 on the lower half piece 4 side, and the movable plug 9 installed there is the protrusion 13 thereof.
Since it is placed side down on the lower half 4, the movable plug is unstable. Therefore, a positioning device (not shown) similar to the positioning device 32 is installed in the conveyor. A vacuum suction hole is provided at the tip of a pin that is an engaging member of this apparatus, and the pin is used to suck and hold the movable plug in an appropriate posture. Further, in order to maintain the posture of the movable plug until the upper and lower halves 3 and 4 are superposed, the positioning device reciprocates between steps E to G in FIG.

When the upper and lower halves 3 and 4 are fixed by screwing, the movable plug inspection step H is performed.

This step H is performed by the movable plug detection device 35 as shown in FIG.

In FIG. 2, reference numeral 36 denotes a pin-shaped engaging member similar to that in the positioning device 32, and the engaging member 36 is also supported in the same direction by a solenoid which is the same first reciprocating mechanism 37 as described above. Has been done. Further, the main body of the reciprocating mechanism 37 is connected via a block member 39 to the tip of a rod of a solenoid which is a second reciprocating mechanism 38 arranged in a direction orthogonal to the main body.

The second reciprocating mechanism 38 is parallel to the direction of the long hole 20 of the lower half piece 4, and its stroke is the same as that of the movable plug 9 described above.
It matches the movable length of.

As a result, when the screwed cartridge 1 is temporarily stopped right above the engaging member 36, the first reciprocating mechanism 37 moves forward, causing the engaging member 37 to project into the protrusion 14 of the movable plug 9 in the elongated hole 20. Insert it into the hole 15 of the. Then, the second reciprocating mechanism 38 reciprocates to move the engaging member 36 in the same manner along the elongated hole 20 to reciprocate the movable plug 9 in the housing portion 11.
As the movable plug 9 moves, the engaging portion 17 at the tip of the engaging leg 16 engages with or separates from the hole 15 of the protrusion 14 in the storage portion 11.

On the other hand, a strain gauge (not shown) is adhered to the engagement member 36, and it is determined whether or not the movable plug 9 moves properly depending on the degree of strain detected by the strain gauge. .

An inspection device similar to the above is also installed on the movable plug 9 on the upper half piece 3 side (not shown).

After the inspection of this movable plug is completed, the cartridge 1
The product is manufactured by mounting the shutter 23 and the like.

The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the invention.

For example, although the engaging members 33, 36 are shown as pin-shaped members in the above-described embodiment, they may be formed in a rod shape and a hole for inserting the protrusion 14 of the movable plug 9 may be formed at the upper end thereof. Is.

Although the reciprocating mechanism 34 and the like are shown as solenoids,
It may be an air cylinder or a cam mechanism.

[Effect of device]

Since the present invention has the above-described structure, the movable plug can be guided or held by the pin when the movable plug is inserted into the accommodating portion of the cartridge, so that the movable plug can be stored at an appropriate position in the accommodating portion. . Further, since the pin supporting the movable plug can be moved to the overlapping position of the upper and lower halves, it is possible to prevent the movable pin from being displaced when the upper and lower halves are overlapped. Therefore, the movable plug can be automatically and quickly housed in the housing portion of the cartridge, and the manufacturing efficiency of the cartridge can be improved and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of a positioning device for a movable plug for disc write protection according to the present invention, FIG. 2 is a perspective view of a device for inspecting the movable plug, and FIG. 3 is a device for supplying a movable plug. FIG. 4 is a partially cutaway perspective view, FIG. 4 is a perspective view showing a movable plug mounting process and its front and rear processes in a cartridge assembling process, FIG. 5 is a perspective view of a completed disc storage cartridge, and FIG. 6 is a disc storage process. Fig. 7 is a perspective view of the lower half piece of the cartridge, Fig. 7 is a plan view of the write inhibit mechanism portion of the lower half piece, Fig. 8 (a) is a perspective view of the movable plug, and Fig. 8 (b) is the inverted state of the movable plug. FIG. 1 ... Cartridge for storing disc, 2 ... Disc,
3 ... upper half piece, 4 ... lower half piece, 7,8 ... write protection mechanism, 9 ... movable plug, 10,11 ... storage part, 13,14 ... projection, 15 ... hole, 16 ... Locking leg, 17 ... Locking part, 19 ... Protrusion, 20 ... Long hole, 26 ... Conveyor endless chain, 32 ...
Positioning device, 33 ... Engaging member, 34 ... Reciprocating mechanism, 35
…… Inspection device.

Claims (1)

[Scope of utility model registration request] 1. A conveyor for intermittently running the separated upper half piece and lower half piece of a disk storage cartridge in one direction, and movable plugs are respectively inserted into two storage portions of the upper half piece or the lower half piece on the conveyor. A movable plug inserting device and a protrusion of the movable plug which is inserted by the movable plug inserting device into the accommodating part before the movable plug is inserted into the accommodating part through the elongated hole. A pin driven by an up-and-down reciprocating mechanism that goes into the hole, and when the movable plug is inserted into the other accommodation part by the movable plug insertion device, the movable plug is suction-held by vacuum suction from below the elongated hole of the accommodation part. When the pins driven by the vertical reciprocating mechanism and the upper half piece and the lower half piece are carried to the stacking position by the conveyor, It has and a reciprocating mechanism for moving to align the disk write inhibit movable plug mounting apparatus according to claim.