JP3006459B2 - Automatic processing equipment for photographic photosensitive materials - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic developing apparatus for a photographic photosensitive material, and more particularly, to an automatic developing apparatus for a photographic photosensitive material in which a photographic photosensitive material developed in a developing section is dried in a drying section following the developing section. The present invention relates to a processing device.

[0002]

2. Description of the Related Art A plurality of processing tanks are provided in a developing section, a reader in which a film is maintained in a processing solution in the processing tank is sequentially transferred to develop a film, and the film after the developing processing is transferred to the developing section. As shown in FIG. 5, in a leader transport type automatic developing apparatus which moves to a subsequent drying section and performs a drying process, a film developed in a developing section 31 is squeezed into a squeeze rack 32 as indicated by a dashed line in FIG. The liquid adhering to the film is transferred to the inside to drain the liquid, and the film after draining is transferred to a drying rack 34 provided in the drying unit 33 to be dried.

Here, the drying rack 34 has a transport mechanism 35 for transporting the reader and the film in one direction, and a duct 36 is provided in a transport path of the film which is transported in one direction by the transport mechanism 35. Hot air is blown onto the film from a slit (not shown) provided to dry the film.

[0004]

In the conventional automatic developing apparatus, a window 39 is formed in a partition wall 38 between the developing section 31 and the drying section 33, and the window 39 has an exit side portion of the squeeze rack 32. Insert the squeeze rack 32
And the drying rack 34 are connected to each other, so that when removing the squeeze rack 32 or the drying rack 34 by cleaning or the like, it is necessary to release the connection between the racks each time, and it takes time to attach and detach the rack. There is.

A squeeze rack 32 is mounted on a partition wall 38.
In this case, it is necessary to form a relatively large window 39 in the partition wall 38 in order to penetrate through the outlet side portion. For this reason, the heat of the drying unit 33 easily escapes from the window 39 to the developing unit 31, and the developing unit 31 is easily affected by the heat, so that there is a problem that it is difficult to control the temperature of the processing liquid in the processing tank.

SUMMARY OF THE INVENTION An object of the present invention is to provide an automatic developing apparatus capable of easily attaching and detaching a drying rack and a squeeze rack, and minimizing the escape of heat from a drying section to a developing section. It is to provide.

[0007]

In order to solve the above-mentioned problems, in the present invention, a photographic light-sensitive material developed in a developing section is transferred into a squeeze rack to remove a liquid adhering to the photographic light-sensitive material. In an automatic developing apparatus for a photographic photosensitive material, in which the photographic photosensitive material after draining is transferred to a drying rack in a drying unit following the developing unit and dried.
A partition wall between the developing unit and the drying unit is located between the squeeze rack and the drying rack to separate both racks, and a through hole is formed in the partition wall to form a transfer path for the photographic light-sensitive material,
A guide piece for guiding the photographic material fed from the squeeze rack to the entrance of the drying rack is provided in the passage hole.
Each of the squeeze rack and drying rack
It adopted a configuration that was detachably supported.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 shows an automatic development processing apparatus of a reader transport system. A film developed by the processing apparatus is connected to a rear end of a reader (not shown), and a transfer path in the automatic development processing apparatus is arranged in front of the reader. Is transferred to
Further, the reader is made of a flexible synthetic resin sheet, and the reader is provided with feed holes at regular intervals in the transport direction of the reader.

As shown in FIGS. 1 and 2, the automatic developing apparatus has a developing section 1 and a drying section 2, and an upper opening of the developing section 1 is opened and closed by a cover 3.

A plurality of processing tanks 4 are provided inside the developing unit 1, and a film as a photographic photosensitive material which is sequentially transferred into the processing liquid in the processing tank 4 and developed is provided inside the developing unit 1. Into the squeeze rack 5.

The squeeze rack 5 is inserted from the upper opening of the developing unit 1 and placed on the rack receiving unit 6, and is fixed by tightening the screws 7 to the rack receiving unit 6.

The squeeze rack 5 is provided with a plurality of squeeze rollers 8, and each of the squeeze rollers 8 is rotated in the direction in which the film is fed, and the processing liquid adhering to the film due to contact with the squeeze roller 8 is removed.

The drained film is passed through a through hole 10 formed in a partition wall 9 between the developing section 1 and the drying section 2 through the drying section 2.
Sent to.

The drying section 2 has an upper cover 11 and a rear cover 12 which are detachable. A drying rack 13 is incorporated in the drying section 2.

As shown in FIG. 4, the drying rack 13 has mounting plates 14 on both sides. The mounting plate 14 is provided with a Dharma-shaped engaging hole 15, which can be engaged with an engaging pin 16 protruding from the partition wall 9. The drying rack 13 is detachably supported by the engagement of the holes 15.

As shown in FIG. 2, the drying rack 13 is separated from the squeeze rack 5 by the partition wall 9 located between the drying rack 13 and the squeeze rack 8, and the leader and the film sent from the squeeze rack 5 pass through the passage hole 10. It is sent to the entrance of the drying rack 13.

A pair of guide pieces 17 for guiding the reader to the entrance of the drying rack 13 are provided on the upper surface of the passage hole 10.

At the entrance of the drying rack 13, a passage hole 10 is provided.
An inlet guide 18 for changing the transport direction of the reader sent from the printer downward, and a sprocket 19 below the inlet guide 18 are provided.

The upper part of the outer periphery of the sprocket 19 is inserted between the pair of guide pieces 17. This sprocket 19
Engages with the feed hole of the reader to convey the reader in one direction.

The leader and the film guided downward by the entrance guide 18 are transported downward by a transport mechanism 20 incorporated in the drying rack 13, and transported by a lower turn guide 21 provided below the drying rack 13. Is converted by 180 °.

The leader and the film transferred upward from the lower turn guide 21 are sent out to the outlet 23 after the moving direction is changed by 90 ° by the upper guide 22 provided on the upper part of the drying rack 13.

Inside the drying rack 13, ducts 24 and 25 are provided on one side of a downward transport path where the leader and the film are moved downward and on the other side of the upward transport path where the leader and film are transported upward. Warm air is sent into each duct 24, 25 from a blower 26 shown in FIG. This warm air is injected from slits 27 provided on the surfaces of the ducts 24 and 25 facing the transfer paths. The film transported by the leader of the reader is dried by contact with the warm air jetted from the slit 27, and the dried film is discharged from the outlet 23.

The transport mechanism 20 provided in the drying rack 13 includes a plurality of sprockets 28 provided at predetermined intervals in the vertical direction in the drying rack 13 and a film guide provided between the sprockets 28. Each of the sprockets 28 is engaged with a feed hole of the leader to transfer the leader in one direction.

Each of the sprockets 28 has a film guiding roller connected to a leader on the same axis. The pressing roller 30 is brought into contact with a roller coaxial with the sprocket 28 provided near the outlet 23, and the film is fed from the outlet 23 by rotation of both rollers.

According to the embodiment shown in FIGS. 1 to 4,
Since the squeeze rack 5 and the drying rack 13 are separated from each other, each rack 5, 13 can be easily taken out independently.

When taking out the squeeze rack 5,
The cover 3 of the developing unit 1 is opened, and the screw 7 is removed.

On the other hand, when taking out the drying rack 13, the upper cover 11 and the rear cover 12 are removed.
The lifting of the drying rack 13 causes the engagement holes 1 shown in FIG.
5 with the large-diameter hole facing the engaging pin 16, and
Pull 3 forward.

[0029]

As described above, according to the present invention, since the partition wall between the developing section and the drying section is located between the squeeze rack and the drying rack and both racks are separated, the both racks are connected to each other. Each rack can be attached and detached very easily as compared with the conventional one.

Further, since the passage hole formed in the partition wall can be reduced to the minimum necessary size for transporting the leader and the film, it is possible to minimize the escape of the heat of the drying section to the developing section. By providing the guide piece in the passage hole, the photographic photosensitive material after the development processing can be reliably sent to the drying rack.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing an embodiment of the present invention.

FIG. 2 is an enlarged sectional view of the above.

FIG. 3 is a view taken along line III-III in FIG. 2;

FIG. 4 is an exploded perspective view showing a fixing portion of the drying rack.

FIG. 5 is a cross-sectional view showing a conventional automatic developing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Developing part 2 Drying part 5 Squeeze rack 9 Partition wall 10 Passing hole 13 Drying rack 17 Guide piece

Continuation of the front page (56) References JP-A-3-149550 (JP, A) JP-A-5-346657 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G03D 3 / 00-17/00

Claims (1)

(57) [Claims] 1. A photographic photosensitive material developed in a developing section is transported into a squeeze rack to remove liquid adhering to the photographic photosensitive material, and the drained photographic photosensitive material is dried in a drying section in a drying section following the developing section. In the automatic processing apparatus for photographic photosensitive material which is transferred to the inside and dried, the partition wall between the developing section and the drying section is located between the squeeze rack and the drying rack, and both racks are cut off. A squeezer, wherein a guide hole for guiding a photographic photosensitive material fed from the squeeze rack to an entrance of the drying rack is provided in the passage hole for forming a material transfer path ;
Rack and drying rack can be removed upwards
Automatic processing equipment for supported photographic materials.