JPH0376448B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a positioning control device for a holding sheet holding a micro film called an aperture card, a slide film, or a micro film in equipment such as a copying machine. In particular, the present invention relates to a positioning control device that can eliminate the influence of inertial force when stopping a holding sheet during transport and accurately position it at a desired position.

Prior Art and Problems to be Solved In the past, since the microfilm was weak and easily damaged, it was difficult to accurately set the holding sheet on the sheet setting table using a machine, so the holding sheet was set manually.

In addition, with conventional positioning devices, when stopping the holding sheet at a desired position while it is being transported, the holding sheet may not be able to stop accurately at the desired position due to the sudden stop inertia of the holding sheet, resulting in positional deviation. It was inevitable.

Means and Effects for Solving the Problems The present invention relates to an invention of a microfilm holding sheet positioning control device that overcomes the above-mentioned difficulties, and includes a sheet setting table that supports a holding sheet holding a microfilm, and a sheet setting table that supports a holding sheet holding a microfilm, and the holding sheet. Sheet holding means for pressing the sheet against the sheet setting table in a freely openable/closable manner; sheet conveying means for conveying the holding sheet to the sheet setting table; and sheet feeding position adjustment for feeding the holding sheet to a predetermined position on the sheet setting table. a sheet width position adjusting means for adjusting the holding sheet to a predetermined width position on the sheet setting table; and a sheet width position adjusting means for adjusting the holding sheet to a predetermined width position on the sheet setting table; The means is released to a non-pressing state, and when the holding sheet reaches near a predetermined setting position of the sheet setting table, the sheet feeding position adjusting means is operated for a predetermined period of time and then interrupted, and after a predetermined minute period of time has elapsed. , the sheet feeding position adjusting means and the sheet width position adjusting means are operated together;
After a short time has elapsed since the start of the operation of both means, the sheet pressing means is operated to press the holding sheet against the sheet setting table, and then the sheet feeding position adjusting means and the sheet width position adjusting means are activated. The device is characterized by comprising a control means for controlling the device to return to a non-operating state.

Since the present invention is configured as described above, by operating the control means, the holding sheet is conveyed to the sheet setting table by the operation of the sheet conveying means, and the holding sheet is conveyed while being conveyed. Since the sheet holding means is released when the holding sheet passes through a predetermined position, the holding sheet can be carried into the sheet setting table without being obstructed by the sheet holding means.

Further, in the present invention, when the holding sheet reaches near the predetermined setting position of the sheet setting table,
By the operation of the control means, the sheet feeding position adjusting means is operated for a predetermined time and then interrupted, and after a predetermined minute time has elapsed, the sheet feeding position adjusting means and the sheet width position adjusting means are both operated. After a short time has elapsed since the start of the operation of both means, the sheet holding means is operated to press the holding sheet against the sheet setting table, and then the sheet feeding position adjusting means and the sheet width By returning the position adjusting means to the non-operating state, the inertia force for transferring the holding sheet can be absorbed by the pressing force of the sheet pressing means, and the holding sheet is held against the sheet setting table by the sheet pressing means. It is possible to accurately align the sheet to a predetermined position on the sheet setting table in the state in which the sheet is set.

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

Reference numeral 1 relates to an aperture card, which is a type of holding sheet, and the aperture cards 1 are stored in a stacked state on a card set tray 2, and are sent one by one to a conveyor belt 4 by a prefeed and sorting roller 3. It is becoming more and more common.

A press roller 5 made of urethane is disposed above the rollers at both ends of the conveyor belt 4, and the aperture card 1 is sent to the card set table 8 by the conveyor belt 4 and the press roller 5. There is.

Further, an alignment roll down solenoid 6 is provided above between the conveyor belt 4 and the card set table 8.
A positioning roll assembly 6 is disposed to be vertically swung at a point a, and a positioning roll 7 is pivotally supported at the tip of the assembly 6 so as to be able to rotate in the forward and reverse directions by a motor (not shown). 6 and the alignment roll 7 constitute a sheet feeding position adjusting means, and the aperture card 1 fed by the conveyor belt 4 is transferred to the card setting table 8 by forward and reverse rotation of the alignment roll 7.
The cards are carried into the card set table 8, or are carried out from the card set table 8 onto a carry-out belt 15. The alignment roll 7 is made of chloroprene sponge with a friction coefficient of 0.8.

Further, a conveyor belt 15 is disposed below the conveyor belt 4, and the aperture card 1 carried out by the registration roll assembly 6 is carried out to a card storage toilet 16 by the carry-out belt 15. There is.

The prefeed/separation roller 3, the conveyor belt 4, the alignment roll assembly 6, the alignment roll 7, and the delivery belt 15 constitute a sheet conveying means, and the alignment roll assembly 6 and the alignment roll 7 It has a sheet feed position adjustment function and a sheet conveyance function.

A sheet presser 9 is pivotably mounted on the card set table 8 and presses the microfilm portion 1a in the aperture card 1 from above in a manner that allows the sheet to be opened and closed.
Positioning pins 10 are provided at three locations in total along the longitudinal direction, two locations 10a and one location 1a on the side closer to the sheet presser 9.

Further, on the opposite side of the sheet presser 9, a card side positioning solenoid 11, which is a part of the sheet width position adjustment means, is arranged. The central part is pivotably supported, and when the solenoid 11 operates, the tip of the link 12 is pressed against the side edge of the aperture card 1, and the aperture card 1 is guided by the pin 10a. It is slid along a direction Y perpendicular to the transfer direction X and is stopped by a pin 10b.

Further, a sheet presser opening/closing solenoid 13 is disposed near the sheet presser 9, one end of a link 14 is pivotally connected to a plunger 13a of the solenoid 13, and the center portion of the link 14 is pivotally supported, The other end of the link 14 is engaged with the lower surface of the tip of the sheet presser 9, and the solenoid 13
When operated, the other end of the link 14 is swung upward, and the sheet presser 9 is released upward.

Furthermore, as shown in FIG. 1, a feed-in sensor A, a bed-in sensor B, and a bed resist sensor C of the aperture card 1 are provided, respectively.

In the timing chart shown in FIG. 3, various means 3, 4, 7, 13, 11, 6
A microcomputer (not shown) is configured to operate a.

Since the microcomputer is configured as described above, when a command to set the aperture card 1 is issued, the prefeed/handling roller 3 and the conveyor belt 4 are operated simultaneously, and the aperture card 1 is placed in the third position. It is sent out from the set tray 2.

When the leading edge 1b of the aperture card 1 passes through the location where the feed sensor A is installed, the feed sensor A operates, and the operation of the prefeed/sorting roller 3 is stopped when the detection signal a is transmitted. At the same time, the alignment roll 7 and the sheet presser opening/closing solenoid 13 are operated, and the aperture card 1 is placed on the card set table 8 with the sheet presser 9 released.
is sent.

When the front edge 1b of the aperture card 1 passes the installation location of the bed-in sensor B, the bed-in sensor B is activated, and when the detection signal b is transmitted, the alignment roll-down solenoid 6a is activated.
is operated, the alignment roll 7 comes into contact with the aperture card 1, and the aperture card 1 contacts the pin 10a.
approach towards.

And the alignment roll down sono raid 6a is
After operating for 0.2 seconds, it is deactivated and the card 1 almost reaches the card setting table 8.

Thereafter, after 0.1 seconds have elapsed (according to the delay in the operation of the alignment roll-down solenoid), the side card alignment solenoid 11 is operated, and the position of the card 1 in the left-right direction Y is corrected, and at the same time, the alignment is performed again. The roll-down solenoid 6a is operated to correct the position of the card in the front-rear direction X.

Then, when 0.15 seconds have passed, alignment roll 7
At the same time, the rotation of the card 1 is stopped and the card 1 is held in a pressed state by the same roll 7, and at the same time, the sheet presser opening/closing solenoid 13 is returned to non-operation, and the card 1 is pressed against the card setting table 8 by the sheet presser 9. It will be done.

After 0.2 seconds when the switching is completely completed, the side positioning solenoid 11 and the down positioning solenoid 6a are returned to non-operation, and the setting is completed.

During the process, when the front edge 1b of the card 1 reaches the location where the bed registration sensor C is installed, the conveyor belt 4 is stopped by a detection signal from the sensor C.

In this way, in the embodiment described above, the above-mentioned operation is accurately controlled in units of 1/20 seconds by the operation of the microcomputer, so the friction coefficient of the alignment roll 7 is set to a high value such as 0.8. As a result, accurate registration can be performed. It is especially suitable for copying machines that copy microfilm at high magnifications of 15x, 21x, 2x, and 24x.

Furthermore, since the control is performed in minute units of time of 1/20 seconds, there is no possibility that the microfilm 1a of the aperture card 1 will be damaged.

Furthermore, even after the card 1 has been aligned front to back and left and right as described above, the card 1 is kept in the pressed state, so that no card displacement occurs.

Effects of the Invention As described above, in the present invention, the sheet conveying means, the sheet pressing means, the sheet feeding position adjusting means, and the sheet width position adjusting means are operated one after another in a predetermined order by the operation of the control means. Therefore, the holding sheet can be automatically aligned and fixed at a predetermined setting position on the sheet setting table.

Further, in the present invention, as described above, the holding sheet is carried into the sheet setting table with the sheet pressing means opened, and when the holding sheet reaches near the predetermined setting position of the sheet setting table, the holding sheet is loaded into the sheet setting table. Since the feeding position adjusting means is operated for a predetermined period of time and then interrupted, the inertia of conveying the holding sheet by the sheet conveying means can be removed. Thereafter, while both the sheet feeding position adjusting means and the sheet width position adjusting means are operating, the sheet pressing means is operated to hold the holding sheet on the sheet setting table with the sheet pressing means. After that, the sheet feeding position adjusting means and the sheet width position adjusting means were returned to the non-operating state, so that the holding sheet could be easily and accurately positioned at the predetermined set position, and then the sheet pressing means could be pressed. The position can be maintained reliably.

[Brief explanation of drawings]

FIG. 1 is a schematic side view illustrating an embodiment of a microfilm original registration control device according to the present invention, FIG. 2 is an enlarged plan view of the main part thereof, and FIG. 3 is a timing chart of the embodiment. 1...Aperture card, 2...Card set tray, 3...Prefeed and sorting roller, 4...
...Conveyor belt, 5...Press roller, 6...Positioning roll assembly, 7...Positioning roll, 8...Card set table, 9...Sheet presser,
10... Positioning pin, 11... Card side positioning solenoid, 12... Link, 13... Sheet presser opening/closing solenoid, 14... Link, 15
...Export belt, 16...Card storage tray, A
...Feed sensor, B...Bed-in sensor, C bed resist sensor, 6a...Regist roll down sono raid.

Claims (1)

[Claims] 1. A sheet setting table that supports a holding sheet holding a microfilm, a sheet pressing means that presses the holding sheet against the sheet setting table in an openable and closable manner, and a sheet conveying means that conveys the holding sheet to the sheet setting table; a sheet feeding position adjusting means for feeding the holding sheet to a predetermined position on the sheet setting table; a sheet width position adjusting means for adjusting the holding sheet to a predetermined width position on the holding sheet setting table; and a sheet conveying means. When the holding sheet passes through a predetermined position during conveyance, the sheet pressing means is released to a non-pressing state, and when the holding sheet reaches near a predetermined setting position on the sheet setting table, the sheet feeding means is released. The feeding position adjusting means is operated for a predetermined time and then interrupted, and after a predetermined minute time has elapsed, the sheet feeding position adjusting means and the sheet width position adjusting means are both operated, and the operation of both means is started after a minute time has elapsed. Afterwards, the sheet pressing means is operated to press the holding sheet against the sheet setting table, and then the sheet feeding position adjusting means and the sheet width position adjusting means are controlled to return to a non-operating state. A microfilm holding sheet positioning control device comprising a control means.