JPS6031124A - Photograph printing device - Google Patents

Abstract

PURPOSE:To operate effieciently a printing device coupled directly to an automatic developing machine, and the automatic developing machine by providing plural winding and discharging devices on the outlet side of a sensitized material of the photograph printing device. CONSTITUTION:When printing is ended for every order, a sensitized material 16 is cut by operating a cutter 27 by a manual switch. Passing of the rear end of this cut sensitized material 16 is detected by a sensitized material rear end detecting sensor 37a, and when the rear end of the sensitized material 16 goes into the second movable guide 42, a rotation of a forward and reverse rotating motor 52 of the first winding and discharging device is stopped. On the other hand, in the course of a winding operation of the first winding and discharging device 50, the second winding and discharging device 61 discharges the sensitized material 16 wound by a spool 62, to an automatic developing machine 74, and the discharge is ended when a rotation of the forward and reverse rotating motor 52 is stopped. The second rotary solenoid 44 turns, a switch 48a is turned on by an operating piece 44a, and the forward and reverse rotating motor 52 is rotated in reverse. In this way, the winding and discharge are executed successively and alternately.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a photographic printing apparatus equipped with a plurality of take-up and discharge devices.

When printing and developing photographs automatically, the processing speed of the printing device and the automatic developing device is faster, so an accumulation device is used to absorb the processing gap between the two. In particular, in order to improve the throughput of a printing device, unless the accumulation amount is increased, the time required for the printing device to last becomes longer, and the actual situation is that the printing device and the automatic developing machine are not working efficiently.

Therefore, an object of the present invention is to provide a plurality of winding and discharging devices on the photosensitive material outlet side of a photographic printing device so that the printing device and the automatic developing device can be operated efficiently by being directly connected to the automatic developing device. Features include light source/optical system, negative film holding section, exposure section, printing sensitive material mounting/feeding section,
In a photographic printing apparatus having a printing section and a photosensitive material conveying section, a plurality of winding/discharging devices are provided on the photosensitive material exit side of the device, and at least one of the winding/discharging devices is configured to take up the exposed photosensitive material. A switching device is provided for discharging the wound exposed photosensitive material into an automatic developing machine.

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

Negative mask 2 at the negative film holding part on the underframe 1 of the printing machine
A light source/optical system 7 having a light source lamp 3, a filter 4, a shutter 5, and a mirror tunnel 6 is provided above. A photometric device 8 for adjusting the exposure amount and a lens 1 are installed between the negative mask 2 and the printing section 9 in the underframe 1.
An exposure section 11 equipped with 0, etc. is provided.

The printing section 9 has a planar sensitive material guide plate 12 disposed perpendicular to the optical axis of the optical system 11 and a paper mask 13 disposed above the guide plate 12. On one side of the printing section 9, a printing sensitive material loading/feeding section 14 is provided.

This printing photosensitive material mounting/feeding section 14 is a device in which a photosensitive material 16 such as a long photographic paper is wound around a source roll 15 C1.
is fed out between the guide plate 12 of the printing section 9 and the paper mask 13 via the guide roller 17, swing roller 18, and guide roller 19, and exposes the image on the negative film.

On the other side of the printing section 9, a sensitive material conveying section 20 is provided. This conveyance section 20 includes two pairs of upper and lower first main feed rollers 21a, 21b and second main feed rollers 22a, 2.
A chino 24 is suspended between the lower main feed rollers 21b and 22b, respectively, and an output shaft 23a of a motor 23 provided in the frame 1, and is driven by the motor 23. Ru.

In addition, in order to apply tension to the photosensitive material being conveyed, the conveying section 2
0 is slightly slower than the winding speed on the winding side, which will be described later, the lower main feed rollers 21b and 22
As shown in FIG. 2, a one-sided clutch 26 is installed on the sprocket 25 that is wound around the chain 2/I so that it can rotate freely in the tension direction.

A sensitive material cutting cutter 27 is disposed between the first main feed rollers 21a, 21b and the second main feed rollers 22a, 22b, and when a predetermined amount of ordered cans, etc. have been baked, the cutter is cut at a predetermined position by a manual switch. .

A hole punch 28 having a push-pull solenoid is provided at the 4- side position on the paper mask 13 of the printing section 9 before exposing the photosensitive material. When cutting to
This is for cutting each order.

In the case of this embodiment, the position of the hole punch 28 and the position of the cutter 27 are set by a distance a, which is the sum of the length of the exposed part and the width of the edge frame, from the front end and the end of the exposed part of the paper mask 13, respectively.
They are arranged at the same distance of 1 Illia from each other, so that punching and cutting operations can be performed during exposure.

29 are first main feed rollers 21a, 21b and cutter 27
30 is the cutter 27 and the second main feed roller 22a.
, 22b are a pair of upper and lower guide plates, respectively.

A switching device 31 is provided adjacent to the second main feed rollers 22a, 22b. This switching device 31 switches the photosensitive material conveyance path between upper and lower directions.
A bifurcated guide 32 that branches into a first conveyance path 31a and a second conveyance path 31b in the direction, and one of the paths 31a
, 31b.
The guide 33 is moved by a tenth solenoid 35 via a rod 34, and the guide 33 is moved along the conveyance path 31.
a131tl. Further, on both sides of the actuator 35a of the rotary solenoid 35, a switch 36a and a second
A switch 36b is provided to turn on the take-up/discharge motor 63, and the actuator 35a of the rotary solenoid 35
Turn on either switch 36a or 36b to rotate the motors 52, 63 in the winding direction.

A light-sensitive material trailing edge detection sensor 37 is installed on the guide plate 32 near the exit of the first conveyance path 31a and the second conveyance path 31b, respectively.
a and 37b are installed respectively.

Further, the first conveyance path 31a and the second conveyance path 31b
A pair of conveyance rollers 38a, 138b and 39a, 39b are provided at the exit portions of the conveyance rollers 38a and 39b, respectively. Furthermore, the conveyance roller 38
A pair of feed rollers 40a, 40b and 41a are provided diagonally above and below a, 38b, 39a and 39b, respectively.
, 41b was set up as a tail.

A second movable guide 42 and a third movable guide 43 are provided between the feed rollers 38a, 38b and 40a, 40b and between the feed rollers 39a, 39b and 41a, 41b, respectively. A 20th Tally solenoid 44 and a 30th Tally solenoid 45 are connected to the movable guides 42,437- through rods 46,47, respectively, and both guides 42,43 are alternately moved in the winding or discharging direction. Switch.

Switches 48a and 48b are provided on both sides of the actuator 44a of the 20th Taly solenoid 44, and switches 49a and 49a are provided on both sides of the actuator 45a of the 30th Taly solenoid 45.
49b are arranged respectively, and when the switches 48a and 49a are turned on by pressing the actuators 44a and 45a, the first
Switches 48b and 49b for reversing the winding/discharging motor 52 and the second winding/discharging motor 63 are actuators 4, respectively.
When 4a and 45a are separated, ONL switches the other rotary solenoids 45 and 44, respectively.

Above the feed rollers 40a, 40b and below the feed rollers 8-41a, 41h, there is a first winding/discharging device 5.
0 and a second winding/discharging device 61 are provided.

The first winding/discharging device 50 includes a spool 51 for winding the exposed photosensitive material 16 and a forward/reverse rotation motor 52 for rotating the spool 51, and is guided by an auxiliary roller 53, a guide 54, and an auxiliary roller 55. , the photosensitive material 16 is placed on the spool 51.
is wound up or discharged. A presser belt 56 is disposed around the spool 51, and the pin 5a moves within the long groove 58, depending on the winding amount, so that the spool 51 can hold the photosensitive material 1.
6 can be wrapped tightly.

In addition, since the rotation amount on the take-up side is made larger than that of the main feed rollers 22a and 22b, as shown in FIG.
The gear 51a of No. 1 is connected to the spool 51 by friction pressure, 51b is a friction disk, and 51c is connected to the spool 51 by friction pressure.
is a friction spring, and 51d is a friction pressure adjustment screw.

Furthermore, the feed rollers 38b and 40b are driven by a forward and reverse rotation motor 52.
It is rotated by a chino 59 wound around a sprocket 52b provided on the output shaft of the motor. 60 is the tightness of Cheno 59.

The second winding/discharging device 61 includes a spool 62, a forward/reverse rotation motor 63, auxiliary rollers 64, 66, a guide 65, a presser belt 67, a bin 68, a long groove 69, a chain 70, and a tightener 7.
1 etc., similarly to the first winding/discharging device 50.

The forward and reverse rotation motor 52.63 detects the rear end of the photosensitive material 16 wound on the spool 51.62.11- After the sensors 37a and 37b detect the rear end of the photosensitive material 16, the photosensitive material is moved into the movable guide 42.43. It stops when the rear end of No. 16 is in.

The discharging side tips of the second movable guide 42 and the third movable guide 43 are a first discharging guide 72a and a second discharging guide 72b, respectively.
A discharge guide 72 consisting of both discharge guides 72 is provided.
Sensors a and 72b are equipped with sensitive material leading edge detection sensors 73a and 73b, which detect the leading edge (rear end when wound) of the sensitive material 16 discharged from both winding/discharging devices 50 and 61, and detect both ends. The rotation speed of the reverse rotation motors 52 and 63 during reverse rotation is synchronized with the processing speed of the automatic developing machine 74.

On the exit side of the discharge guide 72, there are a pair of discharge rollers 76a and 76b which are rotated by an automatic developing machine measurement continuous feed motor 75.
A lower roller 76b is driven by the motor 75 via a chain wheel 77, and the roller 76b on the side of the underframe 1 is fed into the automatic developing machine 74 from the discharge lower 8.

In order to give priority to the processing speed of the automatic developing machine 74, the feed rollers 40b and 41b are allowed to rotate freely by a one-sided clutch during discharge.

Next, to explain the operation of this embodiment configured as above, in FIG. 1, the main switch (not shown) is
When N, the photosensitive material 16 of the original magazine 14 passes through the printing section 9 and is transferred to the main feed rollers 21a and 21b driven by the motor 23 of the conveying section 20.

22a and 22b, the light source section 7, the photometry section 8,
The photosensitive material 16 within the paper mask 13 is sequentially printed by an exposure device such as the optical system 11.

The exposed photosensitive material 16 is set so that the first movable guide 33 of the switching device 31 can guide it toward the first transport path 31a, and the switch 36a is turned on by the actuator 35a.
Since it is L, the first conveyance path 31a1 feed roller 38a
, 38b, second movable guide 42, feed roller 40a
, 40b, the winding is carried out from the auxiliary roller 53, guide 54, and auxiliary roller 55 in the first winding/discharging device 50 onto the spool 51, which rotates in synchronization with the printing speed by the normal rotation of the forward/reverse rotation motor 52. taken.

When the printing is completed for each order, the cutter 27 is operated by a manual switch (not shown), and the photosensitive material 16 is
cut. The passage of the rear end of the cut photosensitive material is detected by the photosensitive material rear edge detection sensor 37a, and the rear end of the photosensitive material 16 is detected as the second
Once inside the movable guide 42, the rotation of the forward/reverse rotation motor 52 of the first winding/discharging device is stopped.

On the other hand, during the winding operation of the first winding/discharging device 50, the second
A winding/discharging device 61 winds up the photosensitive material 16 onto a spool 62.
is discharged to the automatic developing machine 74, and the first winding/discharging device 5
0 forward/reverse rotation motor 52.

Ejection ends when rotation stops.

When the forward/reverse rotation motor 52 of the first take-up/discharge device 50 stops, the 20th Tally solenoid 44 rotates, and the second movable guide 42 rotates toward the first discharge guide 72a of the discharge guide 72. , switch 48a with actuator 44a
is turned on, and the forward/reverse rotation motor 52 is reversely rotated.

By this reversal, the sensitive material 16 wound on the spool 51 is sent to the first discharge guide 72a, and when its tip passes the sensitive material tip detection sensor 73a, the rotational speed of the motor 52 is determined by the sensor 73a. It rotates at a low speed in synchronization with the processing speed of the automatic developing machine 74, and the discharge roller 76a
, 76b from the discharge lower 8 to the automatic developing machine 74.

On the other hand, due to the rotation of the 20th Tally solenoid 44, the actuator 44
When the switch 48b leaves the switch 48b, the switch 48b turns ONL, rotates the 30th Tally solenoid 45, and moves the third movable guide 43 to the winding side feed rollers 39a, 39.
As the actuator 45a rotates to the b side, the actuator 45a closes the switch 49.
a, the first [21-tally solenoid 35 is rotated, the first movable guide 33 is moved and switched to the second conveyance path 3ib side, and the actuator 35a of the 10th-tally solenoid 35 is switched. 36b is ONL, the forward/reverse rotation motor 63 of the second winding/discharging device 61 is rotated in the normal direction, and -1a
- Winding up in the same way as the first winding/discharging device 50. At this time the 30th
- The actuator 45a of the Taly solenoid 45 is the switch 49b
is in contact with

In the above manner, winding and discharging are performed alternately and sequentially.

In addition, in the above embodiment, two winding/discharging devices were provided, but
The present invention is not limited to this, and a plurality of them can be provided.

As described above, the present invention provides a plurality of winding and discharging devices on the photosensitive material exit side of a photoprinting device, so that when directly connected to an automatic developing machine with a slow processing speed, a switching device can be selected without using a conventional accumulating device. Therefore, when one winding/discharging device is discharging the photosensitive material to the automatic developing machine, the other winding/discharging device can take up the photosensitive material. 16- The developing machine can be operated.

[Brief explanation of the drawing]

FIG. 1 is a front view showing an embodiment of the present invention, FIG. 2 is a side view showing essential parts of a feed roller, and FIG. 3 is a side view of a first winding/discharging device. 2 is a negative mask, 7 is a light source/optical system, 9. is the burned part, 1
1 is an exposure section, 14 is a printing sensitive material mounting/feeding section, 16 is a photosensitive material, 20 is a conveying section, 31 is a switching device, 33.42.43
is a movable guide, 35, 44, 45 is a rotary solenoid, 50 and 61 are winding and discharging devices, 5L 62 is a spool, and 52, 63 is a forward and reverse rotation motor.

Claims (1)

[Claims] 1. In a photographic printing apparatus having a light source/optical system, a negative film holding section, an exposure section, a printing sensitive material mounting/feeding section, a printing section, and a photosensitive material transport section, there is a winding/winding section on the photosensitive material exit side of the device. A plurality of discharge devices are provided, and at least one of the winding and discharge devices is provided.
A photographic printing apparatus characterized in that a switching device is provided, one for winding up the exposed photosensitive material and the other for discharging the rolled up exposed photosensitive material to an automatic developing machine.