JPH0476100B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a photosensitive material processing apparatus for processing a disk film by passing it through a processing liquid tank.

[Prior Art] For example, as a photosensitive material, there is a disk-shaped disk film, and this disk film has a different shape from a strip-shaped roll film, and there is a difference in processing time, so a dedicated photosensitive material processing apparatus is required. There is something to be done with it.

In addition, installing dedicated photosensitive material processing equipment in this way requires a large space, so as disclosed in Japanese Patent Application Laid-Open No. 58-219551, roll film and disk film are processed. Some photosensitive material processing devices have a built-in mechanism for this purpose.

Furthermore, as disclosed in Japanese Patent Application Laid-Open No. 59-37542, there is a film holder in which a roll film and a disk film are processed on the same line according to their respective processing times.

[Problems to be Solved by the Invention] As described above, when a single photosensitive material processing apparatus incorporates a processing mechanism for roll film and disk film, the apparatus becomes large and the mechanism becomes large because the processing paths are separate. becomes complicated. Further, in a film holder that processes roll film and disk film on the same line, the mechanisms for driving the film holder and supporting the film are complicated.

In recent years, with the development of photosensitive materials, it has become possible to process disk films and roll films in the same processing time. , photosensitive material processing equipment becomes smaller.

By the way, in this case, the transport leader needs to have a simple structure to securely hold the disc film and transport it through the processing liquid tank for processing, and also to prevent the transport leader from coming into contact with the disc film and damaging it. In addition, there is a risk that the processing liquid may stagnate between the transport leader and the disk film, resulting in uneven processing.

This invention has been made in view of the above circumstances, and provides a photosensitive material processing apparatus that has a simple structure, can reliably hold and transport a disk film, and does not cause scratches on the disk film or uneven processing. It is intended to.

[Means for Solving the Problems] In order to solve the above-mentioned problems, the photosensitive material processing apparatus of the present invention is provided with a transport path for transporting the disk film in the processing liquid tank, and a transport path for transporting the disk film along the transport path. a conveyance mechanism for conveying a conveyance leader, the core portion of the disk film is removably engaged and held on the conveyance leader by an attachment means, and a window is provided in a portion of the conveyance leader facing the disk portion of the disk film. It is characterized by forming a section.

[Operation] In this invention, the conveyance leader is conveyed along the conveyance path by the conveyance mechanism, and the disk film engaged and held by the conveyance leader is thereby conveyed through the processing liquid tank. It can be transported and processed in the same way as roll film.

The core portion of the disk film is removably engaged with the conveyance leader by an attachment means, and the disk film is reliably engaged with the conveyance leader with a simple structure.

Moreover, the transport leader has a window formed in the portion facing the disc part of the disc film, and even when the transport leader is transported along a curved transport path, there is no bend at the window, so that the disc film can be easily There is no interference with the disk section of the

In addition, the transport leader has a window formed in the part that faces the disc part of the disc film, and since the processing liquid does not stagnate between the transport leader and the disc part of the disc film, uneven processing is prevented. be done.

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

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, there 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 main body 1 of the apparatus, 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. A predetermined amount of processing liquid is stored in each of these processing tanks.

Note that the processing tank may be composed of a developing tank, a bleach stabilizing 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 photosensitive material is set by opening and closing the lid 17 or by inserting a hand into the dark bag 18.

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

Further, a leader set section 26 of the disk film supply section 3 is disposed with its tip end inclined toward the tip end of the roll film supply section 2. The reader setting section 26 is provided with a reader insertion guide 27, and the reader 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, 33, a lower roller 34, and a guide roller 35 are arranged on the pair of rack side plates 29, and the conveyance leader 15 is conveyed by these rollers. The upper roller 3
0 and intermediate roller 31, intermediate rollers 32, 33
Film guides 36 are arranged between the intermediate roller 33 and the lower roller 34 to prevent the rolled film from swinging in the width direction.

The conveyance leader 15 is conveyed by a conveyance leader sprocket 37 provided on an upper roller 30, intermediate rollers 31, 32, 33, and a lower roller 34. These respective rollers 30, 31, 32, 33, 34
has roller portions 30a, 31a, 32a, 33a, and 34a on both sides of the conveyance leader sprocket 37, thereby forming a conveyance path P.

A drive sprocket 38 is provided at one end of the upper roller 30, and the drive sprocket 38 is connected to a drive motor via an endless power transmission means such as a chain (not shown).

An output gear 39 is provided at the other end of the upper roller 30, and this output gear 39 is connected to the film guide 36.
The driving force is transmitted to the intermediate rollers 31 and 31 through the interlocking gear 40.
32, 33, the film guide 36, and the lower roller 34, and the intermediate rollers 31, 32, 33 and the lower roller 34 are rotated in conjunction with each other.

Small rollers 43 , 44 , 45 are arranged around the upper roller 30 on the carry-in side, the carry-out side, and the lower side, and gears 46 , 47 , 48 provided at the ends of these rollers mesh with the gear 49 of the upper roller 30 . and rotates in conjunction with the upper roller 30.

These small rollers 43, 44, 45 are connected to pressure springs 50
The disk film and roll film, which are held under a predetermined load of 30 roller parts 44
It is carried out from between a and 30a.

The intermediate roller 31 located above is held by a guide roller 35 and a compression spring 51 disposed on both sides thereof, and a gear 52 of this intermediate roller 31 and a gear 53 of the guide roller 35 are meshed and rotated in conjunction with each other. It's summery.

Above the upper roller 30 is an upper guide 54.
is arranged, and this upper guide 54 supports the transport leader 1.
The facility provides guidance for the loading and unloading of items 5. Further, a lower guide 55 is similarly arranged below the lower roller 34, and this lower guide 55 guides the conveyance of the conveyance leader 15 and causes it to return.

The conveyance leader 15 is constructed as shown in FIGS. 6 to 17.

First, the embodiment shown in FIGS. 6 to 9 will be described. FIG. 6 shows a front view of the conveyance leader 15, which has an engagement hole 15b that engages with the conveyance leader sprocket 37 formed in the center of the leader body 15a. Transport leader body 1
A core portion 56a of a disk film 56 is removably engaged and held by an attachment means 57 at a symmetrical position across the engagement hole 15b on the rear side of the disk film 5a in the conveying direction.

The attachment means 57 includes a receiving portion 58 formed integrally with the reader body 15a, and a stop member 59 that engages with the receiving portion 58. An engagement hole 58a is formed in the upper part of this receiving part 58, while a base plate 59a of the stop member 59 is formed to have a larger diameter than the receiving part 58, and an engaging protrusion 59 is formed in the center of this base plate 59a.
b is formed.

The core portion 56 of the disk film 56 is attached to the receiving portion 58.
Then, the engagement protrusion 59b of the stopper member 59 is engaged with the engagement hole 58b of the receiving part 58 to be locked. This results in
A core portion 56a of the disk film 56 is detachably engaged with and held in the conveyance leader 15.

A semicircular window portion 15 is provided around the mounting means 57.
The window portions 15c face each other and have a substantially circular outer shape, and have a diameter larger than the outer dimension of the disk film 56 attached thereto. In this manner, the window portion 15c is formed in the portion of the transport leader 15 that faces the disk portion of the disk film 56. By forming the window 15c in the transport leader 15, the disc part of the disc film 56 is prevented from interfering with the transport leader 15 when the transport path curves, and the disc film 56 is not damaged. .

Further, the transport leader 15 has a window 15c formed in a portion facing the disc portion of the disc film 56, so that the processing liquid does not stagnate between the transport leader 15 and the disc portion of the disc film 56. , processing unevenness is prevented.

Further, a roll film 60 is attached to the rear side of the conveyance leader 15 in the conveyance direction with a tape 61 or the like at its leading end.

Next, the operation of this embodiment will be explained.

When processing the disc film 56, insert your hand into the dark bag 18, insert the core part 56a of the disc film 56 into the receiving part 58, and remove the stopper member 5.
9, it is attached to the conveyance leader 15.

When this conveyance leader 15 is set in the disk film supply section 3 and pushed in by hand, its tip is guided by the upper guide 54 and the conveyance leader 15 is engaged with the conveyance leader sprocket 37 provided on the upper roller 30. The mating hole 15b is engaged. As a result, 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 37 of the lower roller 34, and is guided by the lower guide 55 by the lower roller 34. It returns and is further transported from the upper guide 54 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 56 is processed.

Next, when processing the disk film 56 and the roll film 60 at the same time, as shown in FIG. If you push it in the same way, it will be transported automatically.

10 and 11 show another embodiment, in which the mounting means 57 has a receiving portion 58 formed in the shape of a shaft, an engagement groove 58c formed at the end of the receiving portion 58,
On the other hand, the stop member 59 is a plate-shaped substrate 59a with a cutout groove 59c formed therein.

When attaching the disk film 56, the fitting hole 56b of the disk film 56 is inserted into the receiving portion 58, and the notch groove 59c of the stopper member 59 is engaged with the engagement groove 58c.

FIGS. 12 and 13 show still other embodiments. The attachment means 57 is composed of only a receiving part 58, and this receiving part 58 is formed in a cylindrical shape, and an engaging part 58d protruding outward is formed at the tip end of the receiving part 58. This receiving portion 58 has four cutout grooves 58e formed in symmetrical positions in the axial direction.

Therefore, the fitting hole 56b of the disk film 56
When inserted from above, the receiving part 58 is inserted into the notch groove 58e.
As a result, the shaft diameter is reduced and the shafts are fitted together. Then, when the disk film 56 is fitted, the receiving part 5
8 returns to its original state, and the engaging portion 58d is attached to the core portion 56.
Lock a to prevent it from coming off.

FIGS. 14 and 15 show other embodiments of the conveyance leader 15. FIG. This conveyance leader 15 is provided with attachment means 57 at the rear of the leader body 15a in the conveyance direction.
A receiving portion 58 is formed. Therefore, when the roll film 60 is attached with tape 61 or the like, the attachment position of the roll film 60 is the attachment position of the disk film 56, so the disk film 56 cannot be attached at the same time.

FIGS. 16 and 17 show still other embodiments of the conveyance leader 15, and the conveyance leader 15 in FIG.
A receiving portion 58 is formed, and windows 15c in the transport direction are formed on both sides of the receiving portion 58.

In the embodiment shown in FIG. 17, a receiving portion 58 for the attachment means 57 is formed on the front surface of the conveyance leader 15, so that a large number of disk films 56 can be held.

[Effects of the Invention] As described above, the photosensitive material processing apparatus of the present invention is provided with a transport path for transporting the disk film in the processing liquid tank, and a transport mechanism that transports the disc film transport leader along the transport path. Because of this, the disk film can be transported and processed in the same way as a roll film, and the apparatus can be made smaller.

Furthermore, since the core portion of the disk film is removably engaged with the conveyance leader by the attachment means, the disk film can be reliably engaged with and held on the conveyance leader with a simple structure.

In addition, since a window is formed on the transport leader in the portion facing the disk portion of the disk film,
Even when the conveyance leader is conveyed along a curved conveyance path, interference with the disk portion of the disk film is prevented, and the disk film is not damaged.

In addition, the transport leader has a window formed in the part that faces the disc part of the disc film, and since the processing liquid does not stagnate between the transport leader and the disc part of the disc film, uneven processing is prevented. be done.

[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 a photosensitive material supply section, FIG. 3 is a side view of a transport mechanism, and FIG. 4 is a sectional view of a transport mechanism. Fig. 5 is a plan view of the transport mechanism, Fig. 6 is a front view of the transport leader, Fig. 7 is a front view of the state in which the photosensitive material is attached to the transport leader, Fig. 8 is an enlarged front view of the main parts, and Fig. 9 is a front view of the transport leader. The figure is a cross-sectional view of FIG. 8, FIG. 10 is an enlarged front view of main parts of another embodiment, and FIG.
12 is an enlarged front view of main parts of another embodiment, FIG. 13 is a sectional view of FIG. 12, FIG. 14 is a sectional view of FIG.
Fig. 5 shows another embodiment of the transport leader, Fig. 14 is a front view of the transport leader, Fig. 15 is a diagram showing the state in which the photosensitive material is attached to the transport leader, and Figs. 16 and 17 are the transport leader. FIG. 3 is a front view showing still another embodiment of the invention. 2... Roll film supply section, 3... Disc film supply section, 13... Conveyance mechanism, 14... Leader conveyance path, 15... Conveyance leader, 30... Upper roller, 31, 32, 33... Intermediate roller , 34
... lower roller, 56 ... disk film, 5
7... Attachment means, 58... Receiving portion, 59... Stopping member, 60... Roll film.

Claims (1)

[Claims] 1. A processing liquid tank is provided with a transport path for transporting the disk film, and a transport mechanism is provided for transporting a transport leader for the disc film along the transport path, and a core portion of the disc film is attached to the transport leader by means of attachment means. Engage and hold in a removable manner,
A photosensitive material processing apparatus further comprising a window portion formed in a portion of the transport leader facing the disk portion of the disk film.