JPH0533787B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a photosensitive material processing apparatus that sequentially transports and processes disk films, like roll films, through transport paths formed in a plurality of processing tanks. It is something.

[Prior Art] For example, as a photographic material, there is a disk-shaped disk film, and this disk film has a different shape from a strip-shaped roll film and has a different processing time. There is a photosensitive material processing apparatus that uses a film holder and transports and processes a film using a complicated mechanism different from that of a roll film.

Furthermore, as disclosed in, for example, Japanese Patent Application Laid-Open No. 59-64844, the disk film insertion bodies are sequentially moved to the processing tank by using a guide plate that cooperates with a sending piece that moves up and down without using a rack hanger. There is something.

Furthermore, as a device that can process both disk film and roll film, JP-A-59-
As disclosed in Japanese Patent No. 37542, there is a method in which a disk film is transported and processed on the same line as a roll film using a film holder.

[Problems to be Solved by the Invention] By the way, as disclosed in the former Japanese Patent Application Laid-open No. 59-64844, a disc film insertion body is moved into a processing tank by a guide plate that cooperates with a feeding piece that moves up and down. The one that moves sequentially does not use a rack hanger, but has a special conveyance structure that moves the sending piece and a cooperating guide plate up and down, and the structure is complicated, but it is simple and compact. I couldn't say that.

Furthermore, in the latter mechanism in which the disk film is transported by a film holder, driving the film holder and supporting the film become complicated, resulting in an increase in the size of the apparatus. For this reason, the applicant has proposed a photosensitive material processing apparatus which has a simple structure and processes disk films by sequentially transporting them through transport paths formed in a plurality of processing tanks in the same way as roll films.

By the way, the center of the disk film is
For example, a disc film is attached to a transport leader and transported, but at the transition part of the transport path from one processing tank to the next processing tank, the end part of the disc film exits the transition part and the end part of the disc film enters the transition part of the next processing tank. may interfere or
There is a possibility that the disc film may interfere with a conveyance mechanism such as a roller.

This invention has been made in view of the above circumstances, and is a photosensitive material that has a simple structure that uses rollers at the transition portion of the transport path, allows for smooth transport of disk film, and further reduces the size of the device. The purpose is to provide processing equipment.

[Means for Solving the Problems] In order to solve the above problems, the photosensitive material processing apparatus of the present invention sequentially transports a plurality of processing tanks and a transport leader to which disk film cores are attached to the plurality of processing tanks. A transfer path formed between the front-stage processing tank and the rear-stage processing tank among the plurality of processing tanks is arranged above the front-stage processing tank. A front roller, a rear roller disposed above the rear processing tank and facing the front roller, and a transition roller disposed above the front roller and the rear roller; The distance between the front roller and the rear roller is wider than the diameter of the transition roller, and the distance between the axis of the transition roller and the line connecting the axis of the front roller and the rear roller is set to It is characterized in that it is set larger than the sum of the radius and the radius of the front roller or the rear roller.

[Operation] In the present invention, the core of the disk film is attached to a conveyance leader, and the disk film is sequentially conveyed and processed by the conveyance leader through conveyance paths formed in a plurality of processing tanks. At the transition section of the conveyance path formed between the front-stage processing tank and the rear-stage processing tank, the disk film attached to the transport leader is moved from the front-stage roller placed above the front-stage processing tank to the transition roller. Then, it is guided to a rear roller disposed above the rear processing tank, and is conveyed from the latter roller to the rear processing tank.

At this time, the disk film exiting the transition section of the conveyance path of the conveyance section and the end of the disk film entering the next transition section are smoothly conveyed without interference.

[Example] Hereinafter, an example of the present invention will be described in detail based on the accompanying 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 schematic view of a transition section between processing tanks, and FIG. 3 is a front view of a conveyance leader.

In the figure, reference numeral 1 denotes a main body of a photosensitive material processing apparatus that blocks external light. On one side of the main body 1, a photosensitive material supply section 4 having a roll film supply section 2 and a disk film supply section 3 is provided. 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, a developing tank 6, a bleaching tank 7, a fixing tank 8, a washing or stabilizing tank 9, and a drying section 10 are successively arranged. 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-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.

A conveying path 14 is formed by a conveying mechanism 13 from the photosensitive material supply section 4 to the developing tank 6, bleaching tank 7, fixing tank 8, washing or stabilizing tank 9, drying section 10, and photosensitive material take-out section 5. The photosensitive material is transported through this conveyance path 1.
4 is transported by the transport leader 15.

As shown in FIG. 3, the transport leader 15 has an engagement hole 15b formed in the center of the leader body 15a to engage with a transport leader sprocket (not shown). A disk attachment hole 15c is formed between the engagement holes 15b on the rear side of the leader body 15a in the conveying direction, and a core of the disk film 17 is attached using an attachment member 16. Further, a semicircular guide hole 15d is formed around the disk mounting portion for passing the processing liquid.

When attaching the roll film 18 to the conveyance leader 15, the attachment member 16 is removed and attached to the rear side in the conveyance direction using, for example, a tape (not shown).

A lower roller 19 is arranged at the bottom of the processing tank,
In the upper part of the processing tank, there is a transition part 20 of the conveyance path formed between the front processing tank and the rear processing tank, and a front roller 21 arranged above the front processing tank;
Post-stage roller 22 arranged above the post-processing tank
and a transition roller 23 disposed above the front roller 21 and the rear roller 22.

As shown in FIG. 2, the transition portion 20 is constructed as shown in FIG. 2. Letting the radius r of the transition roller 23 and the diameter D of the disk film, the distance l from the axis 01 of the transition roller 23 to the end of the disk film is l = √ ² + ( 2) ² ...(1) Also, if the roller radius of the front roller 21 and the rear roller 22 is R, the radius of the transition roller 23 is r.
R+r>l...(2) From this equation (2), it must be r>(D ² /8R)-(R/2)...(3).

Also, a pair of front rollers 21 and rear rollers 2
The distance H between the line L connecting the axes 02 and 03 of 2 and the axis 01 of the transfer roller 23 is H>√(+) ² −(+) ² ...(4) Therefore, the above formula (1) Substituting into equation (4), H>√(2) ² +2( ² +(2) ² −)…
…(5) Must be.

As a result, the diameter r of the transition roller 23 of the transition section 20 satisfies the equation (3) above, and the line L connecting the axes 02 and 03 of the front roller 21 and the rear roller 22 and the transition roller 2
The distance H from the axis 01 of 3 is determined so as to satisfy equation (5), and the transition portion 20 is formed small.

For example, if R+r<l and equation (3) is not satisfied, the disk film 17 exiting the transition section 20 of the processing tank will interfere with the end of the disk film 17 entering the transition section 20 of the next processing tank. There is a risk of

Further, for example, if H<√(+) ² −(+) ² and the equation (4) is not satisfied, the end of the disk film 17 may come into contact with the front roller 21 or the rear roller 22 .

Therefore, in the transition section 20, the distance between the front roller 21 and the rear roller 22 is wider than the diameter of the cross roller 23, and the line L connecting the axis 03 of the front roller 21 and the axis 02 of the rear roller 22 is formed. Crossing roller 2
The distance H from the axis 01 of 3 is the distance H from the disk film 17
and the radius of the front roller 21 or rear roller 22
The radius R is set to be larger than the sum of the radius R. next,
The operation of this embodiment will be explained.

When processing the disk film 17, a mounting member 16 is prepared, inserted into the disk mounting hole 15c of the conveyance leader 15, the core of the disk film 17 is attached to the conveyance leader 15, and set in the disk film supply section 3.

Then, the engagement hole 15b engages with a transport sprocket (not shown) of the processing tank by the transport mechanism 13, and the transport leader 15 is transported along the transport path, returned by the lower roller 19, and moved to the transition section 20 of the transport path 14.
is transported to the next processing tank.

Similarly, the transport leader 15 is used in the processing tank of the next process.
Further, the disk film 15 is transported to the next processing tank via the transfer section 20, and is thus transported and processed.

At this time, interference between the disk film 17 exiting the transition section 20 of the transport path 14 and the end of the disk film 17 entering the transition section 20 of the next processing tank is prevented.

Further, the end portion of the disk film 17 is conveyed without interfering with the front roller 21 or the rear roller 22, and damage to the disk film 17 and poor conveyance are reduced.

Although this embodiment has been described with reference to a case where it is applied to a photosensitive material processing apparatus which can also process roll films, it is similarly applicable to a photosensitive material processing apparatus exclusively used for disk films.

[Effects of the Invention] As described above, the present invention allows disk films to be sequentially transported and processed by a transport leader through transport paths formed in a plurality of processing tanks in the same way as roll films, and furthermore, the transport leader The disk films attached to and transported can be transported smoothly without fear of their ends interfering with each other or with a transport mechanism such as rollers.

In addition, by configuring the transition section of the conveyance path using rollers, it is possible to have a simple structure, and the space at the transition section can be set to a minimum, making it possible to downsize the device. .

[Brief explanation of the drawing]

FIG. 1 is a schematic sectional view of a photosensitive material processing apparatus to which the present invention is applied, FIG. 2 is a schematic view of a transition section between processing tanks, and FIG. 3 is a front view of a conveyance leader. 2... Roll film supply section, 3... Disc film supply section, 13... Conveyance mechanism, 14... Conveyance path, 20... Transition section, 15... Conveyance leader, 1
7... Disk film, 21... Front roller,
22...Late stage roller, 23...Transfer roller.

Claims (1)

[Claims] 1.Equipped with a plurality of processing tanks and a transport path that allows transport leaders with disk film cores attached to the plurality of processing tanks to be sequentially transported, and among the plurality of processing tanks, a first processing tank and a second processing tank are provided. The transition portion of the conveyance path formed between , a transition roller disposed above the front roller and the rear roller, the distance between the front roller and the rear roller being wider than the diameter of the transition roller, and the axis of the front roller A distance between a line connecting the axis of the rear roller and the axis of the transition roller is set to be larger than the sum of the radius of the disk film and the radius of the front roller or the rear roller. Processing equipment.