JPS5912030A - Sheet material transport mechanism - Google Patents

Abstract

PURPOSE:To improve work efficiency in an apparatus for supplying a photographic photosensitive material for sectional recording to a color scanner and receiving it later, by providing a supply magazine in which the opening portion thereof is adapted to receive light from a photo sensor, and the inner base thereof has low reflectance, so that the transport apparatus is not operated when the material is out. CONSTITUTION:A photo sensor 33 is adapted to project infrared ray toward a supply magazine 14. If sheet materials 16 are stored in a magazine 14, light is reflected to be caught by a sensor 33. If the sheet material 16 is out, light is not reflected because a member 34 has low reflectance, so that the sensor 33 will not detect reflected light. Therefore, when the sensor 33 does not detect reflected light, a transport mechanism is not operated and an indication lamp is lighted, thus the need for visually confirming the interior of the apparatus can be eliminated so as to improve work efficiency.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mechanism adapted to capture and convey sheet material one by one. More specifically, the present invention relates to a mechanism for supplying a photosensitive material for separation recording to a color scanner, which is a type of photoelectric scanning image recording medium, and then removing the receiver.

The color scanner described above is an apparatus for obtaining color separation plates for photolithography, which has been widely used in recent years.

This color scanner can be used to record photosensitive materials (hereinafter referred to as
sheet material]), then the receiver takes 1
The method described below has been used. In other words, a cassette (dark box) containing one sheet of material.
t-, the scanner is loaded into position, and with the loaded cassette, the output winding of the scanner feeds the sheet material directly to a drum, after which the scanner is activated and the fed sheet material is After the exposure of the material was completed, the sheet material would be placed back into the cassette.

Also, in other methods, since the material to be handled is a photosensitive material, a method similar to the above method in which light is blocked has been used.

However, with this type of system, one cassette must be attached and detached each time one sheet of material is fed.
It was inefficient.

Therefore, it was proposed to capture sheet materials one by one from a Sashirai magazine that stores multiple sheets of material.
The apparatus is configured to convey sheet material to a predetermined position and then receive and receive sheet material by a receiving magazine. With this configuration, the above-mentioned drawbacks can be overcome. Hereinafter, one embodiment implementing the configuration described in MiJ will be described in detail.

FIG. 1 is a side view of a sheet material conveying device having the above configuration, and FIG. 2 is a flowchart thereof.

The entire operation of the sheet material conveying device 1 shown in FIG. 1 will be explained step by step.

When the power switch S is turned on, the power switch PI lights up. At this time, the control section 1a determines whether the sheet material capturing section 2 is at the start position A, whether the magazine 14 is set, whether its shutter 14a is open, or whether the sheet material 16 is in the magazine 14. Are you there?
Receive magazine 17 is set nl its shutter 18
The start lamp P lights up after making a complete judgment as to whether or not it is open. If this start lamp P does not light up, the display lamp P8 of the supply magazine, the display lamp P4 of the receive magazine, and the seal l.
By looking at the lamp "Pet" which indicates the presence or absence of material,
You can find out which parts are lacking.

The start lamp P lights up and the start switch 8
2, the vacuum pump and the leak solenoid valve are activated, and the plurality of suction cups 6 are in a state where they can suction the sheet material 16.

At the same time, the plurality of guide bins 4 and suction cups 6 are moved by the motor M2. Sheet material 16 by IJjA dynamic system such as M3
The guide bin 4 moves forward in the direction of the nano-li magazine 1.
4, the suction cup 6 comes into contact with the sheet material 16 and suctions it, and after the confirmation mechanism confirms that the suction has been completed completely, the suction cup 6 receives the confirmation signal. After the suction cup 6 has retreated to the specified position +t and stopped -, the suction cup 6 is moved simultaneously to the guide bin 4 and the magazine 14.
It then moves backwards and stops at the starting position ftA. At the time of this capture, if the sheet material is small in size and a portion of the suction cup 6 leaks, a solenoid valve is configured to operate to stop the leak.

When the capturing section 2 stops at the start position A, the sheet material number detection plate M[m5 is activated to confirm whether or not the number of sheet materials 16 that has been sucked is one. At this time, if only one sheet material 16 is suctioned, it is possible to proceed to the next step. But if that's not the case,
The structure is such that only one sheet is absorbed by repeating the above-mentioned capturing operation. However, even if the acquisition operation is repeated, if the desired acquisition is not performed, a buzzer or the like is activated to issue a warning at the predetermined number of repetitions.

While holding the sheet material 16 auxiliary, the screw punch 7 is rotated by the motor M1, and the catching part 2 begins to rise through the female screw 2atl corresponding to the screw punch 7 until it reaches the upper stop position *
Stop at B. At this time of stopping, the catching section 2 is located at the stopping position and is detected by a sensor, and the motor M is stopped at the same time, and the electromagnetic brake 16 is actuated to stop the motor M at the correct stopping position. The moving speed (ascending speed) of the capturing section 6 is designed to decrease immediately before the stopping position, so as to ensure that the catching section 6 stops at a more accurate position.

When the catching section 6 stops at the position B, the movable vt
Pole 5 is released and indicator lamp 1□ lights up indicating that sheet material 16 may be loaded onto drum 36 of scanner 65. Check the display Pst, raise the scanner 65, adjust the drum receiver (stop at the fixed position), and at the same time, the Butschlot 6B moves in the direction of the arrow as shown in the figure, and the signal by guy 1 bin 4
At the same time, the suction cup 6 starts moving forward in the insertion direction. a bin 67 in which the guide bin 4 is provided on the drum 66;
The suction cup 6 stops moving forward, and the suction of the sheet material 16 is released due to the stop of the ponzo etc.
The presser plate 6 moves forward toward the drum and pushes the sheet material 16 into the bin. Fits into +7. Thereafter, the capturing section 2 retreats to the position B and stops.

As the sheet material 16 is fitted into the bin 37 of the drum 66, the vacuum gauge of this drum 3, which adsorbs the sheet charge using a vacuum method, moves a little, and after confirming this, turn the aforementioned operating lever to the middle position. 16 and start winding the notebook material 16. After that, it is confirmed that the front HC sheet material 16 is adsorbed to the drum 3B to some extent and the vacuum gauge is further raised, and the operation levers are further lowered. During this operation, the capturing section 2 is accurately stopped at the start position A in the same manner as when it was raised above, and the exposure indicator lamp P and the exposure buzzer are turned on.

Check this exposure indicator lamp and buzzer, and then scan the scanner 35.
Perform the exposure operation.

After the exposure of 16° of the sheet material is completed, the drum 66 is reversed by the operation M and the entire drum 6 of the sheet material 16 is exposed.
Peel off from 6. The peeled sheet material 16 passes through a conveyance path 49 and is stored in a receive magazine 17 via feed rollers 19 and 19ae driven by a motor 9. Further, upon detecting the storage, the motor M4 is stopped, one counter is added to count the number of n1 sheet materials, the star OK lamp P is lit, and the next sheet material 16 is stored. It becomes possible to capture

Please note that due to a power outage or incorrect operation, this device may fail during operation. When ti is turned off and the power is turned on again, the capturing section 2 operates in the order in which it returns to the starting position A,
The vehicle automatically returns to the start position A, and when the other start conditions mentioned above are met, the vehicle is ready for the next start. It goes without saying that this device is completely shielded from light from outside.

This device operates as described above, and the object of the present invention is to detect whether or not sheet material is stored in the supply magazine in this type of device, and to prevent the device from operating when sheet material is not stored. It is to make it.

That is, in a sheet material conveying mechanism in which a sheet material capturing means captures a plurality of sheet materials stored in a magazine and conveys them to a predetermined position, the reflected light is detected. A sensor is provided above the opening of the supply magazine, and a member with low light reflectance is laid on the bottom of the inner surface of the supply magazine facing the sensor,
The above object can be achieved by a sheet material transport mechanism characterized in that the transport mechanism does not operate unless the member is detected by the sensor.

Hereinafter, one embodiment of the present invention will be described using FIG. 6 of F1.

FIG. 6 is a schematic diagram of this embodiment.

In the figure, 66 is an optical sensor that emits infrared rays and senses the reflected light. This sensor 6 is provided in the sheet material conveying device so as to be located above the opening of the magazine 14. A member 64 with low light reflectance is provided at the bottom of the inner surface of the supply magazine 14 at a position facing the optical sensor 66. This member 34 is not particularly limited as long as it is black and matte, that is, it easily absorbs light.

This optical sensor 36 is activated when the power switch S1 of the device 1 is turned on, and emits infrared rays of a certain wavelength toward the magazine 14 as shown in the figure. At this time, if the sheet material 16 is stored in the magazine 14, the projected light is reflected by the sheet material 16 and sensed by the optical sensor 33. Further, when the sheet material 16 is not stored, the member 64 is irradiated with light projected by the optical sensor roller.

However, since the light reflectance of this member 34 is low, the optical sensor 63 cannot detect the reflected light.

In this way, the presence or absence of the sheet material 16a is determined and incorporated into the start conditions of this device 1, and if the sheet material 16 is not present in the Zaburi magazine 14, this device 1 is prevented from operating, and the display is By displaying the information using the lamp P, it is possible to eliminate unnecessary work, especially in a configuration such as this device 1 in which the interior cannot be visually observed.

[Brief explanation of the drawing]

Figure 1 is a side view of the device to which the present invention is applied, No. +414
, a schematic diagram showing the main parts of the invention. DESCRIPTION OF SYMBOLS 1... Sheet material conveyance device, 14... Zazorai magazine, 16... Sheet material, 36... Optical sensor,'
54... Patent attorney representing parts (8107) Kiyotaka Sasaki (It or 6 people) 1
4 open”, j59-12030 (4)

Claims (1)

[Claims] In a material conveyance mechanism in which a sheet material capturing means captures a plurality of sheet materials stored in a sublime magazine or a magazine one by one and conveys them to a predetermined position, the light detects the reflected light. A sensor is provided above the opening of the Sasilai magazine, and a member with low light reflectance is laid on the lower part of the inner surface of the Sasilai magazine facing the sensor, and when the member is detected by the sensor, the transport A sheet material transport mechanism, all characterized in that the mechanism is configured such that the mechanism is not activated.