JPH0364858B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a photosensitive material processing apparatus, and more particularly to a photosensitive material processing apparatus that processes disk films and/or roll films by passing them through the same processing tank. It is.

[Prior Art] Photographic materials include, for example, disc-shaped disc films and belt-shaped roll films, both of which are commonly used.

In the past, various proposals have been made to process these two types of photosensitive materials with a single photosensitive material processing apparatus (see, for example, Japanese Patent Laid-Open No. 59-37542).

However, in the past, the development process for disk film and roll film was different, or because the support mechanism was to insert a number of holes in the disk film into the transport holder, a method was adopted in which the transport holder was lifted from the processing tank and transported. We are hiring.

[Problem to be solved by the invention] By the way, with such a structure, it is possible to efficiently process a large amount of disk film, but
The operation and structure for automatically developing the disk film are complicated, and the apparatus has to be large.

This invention was made in view of such circumstances,
It is an object of the present invention to provide a small-sized photosensitive material processing apparatus that can process disk films and roll films with a relatively simple structure.

[Means for Solving the Problems] In order to solve the above problems, the photosensitive material processing apparatus of the present invention includes a dedicated transport path for transporting disk films to the processing tank, and a dedicated transport route for transporting roll films. further provided with a conveyance mechanism for conveying a conveyance leader to the processing tank, the conveyance leader having a disk film holding part and a roll film holding part, and by the conveyance of the conveyance leader, the disk film holding part is And/or the disc film and/or the roll film held by the roll film holding section can be transported along the respective dedicated transport paths.

[Function] In the present invention, a dedicated transport path for transporting the disk film and a dedicated transport route for transporting the roll film are provided to the processing tank, and a transport mechanism is further provided for transporting the transport leader to the processing tank. The disk film and/or the roll film holding part and/or the roll film holding part of this conveyance leader are
Alternatively, if the roll film is held and this transport leader is transported by the transport mechanism, the disc film and/or
Alternatively, each roll film is transported by a dedicated transport path.

[Example] Hereinafter, an example of the present invention will be described in detail based on the accompanying drawings.

FIG. 1 is a schematic diagram of a photosensitive material processing apparatus. In the figure, reference numeral 1 denotes a main body of a photosensitive material processing apparatus that blocks external light. On one side of this main body 1 is a photosensitive material supply section 4 consisting of a roll film supply section 2 and a disk film supply section 3. A photosensitive material take-out section 5 is provided on the other side. Between the photosensitive material supply section 4 and the photosensitive material take-out section 5, that is, inside the apparatus main body 1, there are a developing tank 6, a bleaching tank 7, a fixing tank 8, a washing or stabilizing tank 9, and a drying section 10. are arranged, and a predetermined amount of processing liquid is stored in each of these processing tanks.

Note that this processing tank may be composed of a developing tank, a bleach-fixing tank, a washing tank, or a stabilizing tank.

Waste liquid tanks 11 and 12 are arranged at the bottom of the processing tank, and are designed to store overflowing waste liquid. Further, the waste liquid may be discharged to the outside without being stored in the apparatus main body 1 in this manner.

From the photosensitive material supply section 4, a developing tank 6, a bleaching tank 7,
A conveying path 14 is formed in the fixing tank 8, washing or stabilizing tank 9, drying section 10, and photosensitive material take-out section 5 by a conveying mechanism 13, and the photosensitive material is conveyed along this conveying path 14 by a conveying leader 15. be done.

As shown in FIG. 2, the photosensitive material supply section 4 is disposed in a set box 16, and the set box 16 is provided with a lid 17 on the top and a dark bag 18 on the side.

The roll film supply section 2 has a holder holder 19 arranged so as to be movable in the horizontal direction via a spring 20, and a leader insertion section 22 is formed on the front side of the holder holder 19 between the holder holder 19 and the film cutter section 21. . A light shielding roller 23 and an insertion guide 24 are arranged on the front side of the film cutter section 21, and the insertion guide 24 is provided with a sensor 25 for detecting the conveyance of the roll film.

Further, a leader setting section 26 of the disk film supplying section 3 is arranged so as to pass through the setting box 16 and be inclined toward the tip of the roll film supplying section 2. The reader setting section 26 is provided with an insertion guide 27, and the insertion guide 27 is equipped with a sensor 28 to detect the conveyance of the disk film.

The transport mechanism 13 is constructed as shown in FIGS. 3 to 5.

An upper roller 30, intermediate rollers 31, 32, and a lower roller 33 are arranged on the pair of rack side plates 29, and a conveyance path 14 is formed by these rollers. Film guides 3 are provided between the upper roller 30 and the intermediate roller 31, between the intermediate rollers 31 and 32, and between the intermediate roller 32 and the lower roller 33, respectively.
4 is placed.

The conveyance leader 15 is conveyed by conveyance leader sprockets 35 provided at both ends of the upper roller 30, intermediate rollers 31, 32, and lower roller 33. These rollers 30, 31, 32, 33 have roller portions 30 on both sides of the conveyance leader sprocket 35.
a, 31a, 32a, 33a, and a dedicated transport path P1 for transporting the roll film is formed in this roller part, and this roller part 30a, 31a,
A dedicated transport path P2 for transporting the disk film is formed between 32a and 33a.

A drive sprocket 36 is provided at one end of the upper roller 30, and the drive sprocket 36 is connected to a drive motor via an endless power transmission means such as a chain (not shown).

An output gear 37 is provided at the other end of the upper roller 30, and this output gear 37 is connected to the film guide 34.
The driving force is transmitted through the interlocking gear 38 to the intermediate roller 31,
The signal is transmitted to interlocking gears 39, 38, and 40 provided on the film guide 34 and the lower roller 33, so that the film guide 34, intermediate rollers 31, 32, and lower roller 33 are rotated in conjunction with each other.

Further, around the upper roller 30, small rollers 41, 42, 43 are arranged on the carry-in side, the carry-out side, and the lower side, and gears 44, 45,
46 is meshed with the gear 47 of the upper roller 30 and rotates in conjunction with the upper roller 30. These small rollers 41, 42, 43 are the pressure springs 4
The disk film 49, which is held under a predetermined load of 8 and attached to the conveyance leader 15, is
A is carried in between the small carry-in roller 41 and the shaft portions 41a, 30b of the upper roller 30, and is carried out between the small roller 42 on the carry-out side and the shaft portions 42a, 30b of the upper roller 30.

Further, the roll film 50 attached to the conveyance leader 15
b and the roller portion 30b of the upper roller 30, the processing liquid is squeezed between the roller portion 42b of the small roller 42 on the discharge side and the roller portion 30b of the upper roller 30, and then conveyed out.

Above the upper roller 30 is an upper guide 51.
is arranged, and this upper guide 51 supports the transport leader 1.
The facility provides guidance for the loading and unloading of items 5. Further, a lower guide 52 is similarly arranged below the lower roller 33, and this lower guide 52 guides the conveyance of the conveyance leader 15 and causes it to return.

The conveyance leader 15 is constructed as shown in FIGS. 6 and 7.

This conveyance leader 15 has engagement holes 15b formed at both ends of its leader body 15a.
5b is engaged with the conveyance leader sprocket 35 and conveyed.

On the rear side of the leader body 15a in the conveying direction, between the engagement holes 15b, the center portion obtained by dividing the width direction dimension of the leader body 15a into approximately three equal parts constitutes a disk film holding portion, and both side portions constitute a disk film holding portion. It constitutes a film holding section.

To attach the disk film 49 to the disk film holding portion of the reader body 15a, a synthetic resin holder 53 is attached to the central hole 49b formed in the core 49a of the disk film 49, and this holder 53 is attached with adhesive tape. Reader body 1 by 54
It is designed to be attached to 5a.

The holder 53 holds the image forming surface 49c of the disk film 49 so as to sandwich it from both sides. The length of this holder 49 is, for example, approximately 50 mm in this embodiment, but it does not need to be too long, and must be at least a length d that does not allow the disk film 49 to touch the reader body 15a.

Further, the material of the holder 53 is desirably the same as that of the transport leader 15 or has similar elasticity. For example, if the transport leader 15 is made of polypropylene, the holder 53 may be made of polypropylene, polyethylene, polystyrene, fluororesin, or the like.
As a result, it can be smoothly bent at the return portion of the conveyance path 14, and the holder 53 is not bent and sagged due to the weight of the disk film 49 when descending the conveyance path 14, and can be conveyed smoothly.

Furthermore, since the width of the holder 53 is relatively small and is made of a flexible material, and a gap is secured between the holder 53 and the image forming surface 49c of the disk film 49,
There is no problem in developing the portion inside the holder 53.

The roll film 50 is attached to the roll film holding portion of the leader body 15a by fixing its leading end with a tape 55 or the like on the rear side in the transport direction.

Next, the operation of this embodiment will be explained.

When processing the disk film 49, a holder 53 is prepared and the disk film 49 is attached to the conveyance leader 15 in the photosensitive material supply section 4.

When this conveyance leader 15 is set in the disk film supply section 3 and pushed by hand to convey it, its tip is guided by the upper guide 51 of the conveyance mechanism 13, and the conveyance leader 15 is engaged with the conveyance leader sprocket 35. The hole 15b is engaged. This results in
The conveyance leader 15 is automatically drawn into the processing tank, is conveyed by the intermediate rollers 31, 32, 33 and the conveyance leader sprocket 35 of the lower roller 33, is guided by the lower guide 52 by the lower roller 33, and is returned. Furthermore, from the upper guide 51,
Transported to the next processing tank.

The conveyance leader 15 is conveyed in the same manner in the processing tank of the next step, whereby the disk film 49 is processed.

At this time, the disc film 49 is attached to the transport leader 15 with a holder 53, and the disc film 49 is smoothly transported along a dedicated transport path P2 for the disc film 49 formed in the transport path 14. The core 49a of the disk film 49 is inserted between the small roller 41 on the carry-in side and the shaft portions 41a and 30b of the upper roller 30 when carrying it in, and the small roller 42 on the carry-out side and the shaft portion of the upper roller 30 when carrying out the film. It is smoothly carried out from between 42a and 30b.

In addition, when processing only the roll film 50, only the roll film 50 is transferred to the transport leader 15.
When the roll film 50 is attached to the roller and set in the roll film supply section 2, the transport leader 15 is transported along the transport path 14 of the transport mechanism in the same manner as described above, and the roll film 50 is thereby transported along its dedicated transport path P1 and subjected to development processing. .

Note that the disk film 49 is attached to the conveyance leader 15.
and roll film 50 may be attached and conveyed at the same time. In this case, the transport leader 15 is set, for example, in the roll film supply section 2, and the disk film supply section 3 is not used.
Conveyance leader 1 with disk film 49 attached
5 passes, the light-shielding roller 23 is lifted to ensure smooth conveyance of the disk film 49.

[Effects of the Invention] As explained above, the present invention provides a dedicated transport path for transporting disk films to a processing tank and a dedicated transport route for transporting roll films,
Further, a conveyance mechanism for conveying a conveyance leader to the processing tank is provided, and the conveyance leader is provided with a disk film holding section and a roll film holding section, and the disk film and/or the disk film held by the disk film holding section and/or the roll film holding section are provided. Or, since the roll film can be transported through a dedicated transport path by the transport leader, it is possible to hold the disk film and/or the roll film by the transport leader and allow them to pass through the same processing tank. This enables the disk film and the roll film to be conveyed and developed by the same mechanism, and the structure can be relatively simple and compact compared to conventional photosensitive material processing apparatuses of this type.

[Brief explanation of drawings]

FIG. 1 is a schematic sectional view of a photosensitive material processing apparatus to which the present invention is applied, FIG. 2 is a sectional view of the photosensitive material supply section, FIG. 3 is a side view of the transport mechanism, and FIG. 4 is a sectional view of the transport mechanism. FIG. 5 is a plan view of the transport mechanism, FIG. 6 is a front view of the transport leader 15, and FIG. 7 is a front view of the transport leader with the photosensitive material attached. 2...Roll film supply section, 3...Disc film supply section, 13...Transport mechanism, 14...Transport path, 15...Transport leader, 49...Disk film, 50...Roll film, 53...Holding Ingredients, P1, P2...transport route.

Claims (1)

[Claims] 1 A dedicated transport path for transporting the disk film and a dedicated transport route for transporting the roll film are provided in the processing tank, and a transport mechanism for transporting a transport leader is provided in the processing tank, and the transport leader holds the disc film. and a roll film holding section, and the disk film and/or roll film held by the disk film holding section and/or the roll film holding section are transported by the transport leader to the respective dedicated transport paths. A photosensitive material processing device characterized by being capable of conveying.