JPS58181043A - Photosensitive material drying device - Google Patents

Abstract

PURPOSE:To prevent jamming of a film and its adhesion to a guide member, by inserting the guide member into a groove of a carrying roll of a photosensitive material. CONSTITUTION:A film 1 is carried into a drying chamber 1 through each process of development, fixation and water-washing. Each groove is formed in the center part in the axial direction, on squeeze rolls 3a, 4a and 5a, and a discharge roll 11a which are positioned in the lower part, and a guide member 2 being a slender member is inserted into these grooves so as to pass through the lower vicinity of the film carrying face extending from the film inlet to the outlet. On the other hand, an upper guide member 14 is installed in the film advancing direction between a final squeeze roll 5 and a discharge roll 11. A film 12 fed out from the squeeze rolls 5, 5a is guided by the guide member 2 and the upper guide member 14, is led to the discharge rolls 11, 11a, and is discharged to a tray 15.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for drying photosensitive materials, and more particularly, the present invention relates to a drying apparatus for drying photosensitive materials while conveying them.

Conventionally, this type of drying device has been used in camera processors or printer processors that allow a series of processes such as photo processing to be carried out while transporting photographic or photographic film materials. There is.

For example, a drying device in a camera processor is used to continuously transport film after photographic processing such as image processing, fixing, and washing with water, using rollers and film guide members installed in the drying chamber. It is known that the emulsion is dried by blowing hot air onto the emulsion side and then discharged onto a tray or the like. That is,
FIG. 1 is a front view of a conventional film drying device in a camera processor, and FIG. 2 is a sectional view taken along the line A-A in FIG. The film 12 is squeezed by a squeeze roller 5.5a.

4.4a, 5.5a, the processing liquid remaining on the surface of the film 12 is removed while being conveyed,
Thereafter, the roller 6.
7.8.9.10 and the guide member 2a to the discharge rollers 11 and 11a. The film 12 is sent to a tray (not shown) K by this discharge roller.

Each of the aforementioned rollers is synchronously rotated by a drive system.

In this case, in order to dry more efficiently,
6, 7.8-9 + 10, a pair of downward smooth removals. Therefore, the length of the film that can be passed through the drying device 1 needs to be longer than the distance between the axes of the squeeze roller 5.5a and the discharge rollers 11, 11a. This is a guide for the film supported by the support member 18.

The member 2a is provided to ensure stable running of the film 120. However, in the drying device configured in this way, the squeeze rollers 5.5a are adjacent to each other in the transport direction of the film 12.

The film may fall into the gap between 4.4a and 5.5a or between the final squeeze roller 5.5a and the guide member 2a, causing film clogging. The reason for this is thought to be that the film 12 is wound on a reel or the like for a long time with the emulsion side wlt 11Kt, and the film is bent toward the emulsion side. or,
Dry! ! Due to excessive darkness or difficulty in operating the equipment,
If the apparatus stops while the film 12 is in the drying chamber 1, the squeeze rollers 5a, 4a, 5a located on the emulsion side of the film 12 will release the film 12.
adhesion, which may cause film peeling or film clogging. In order to prevent such troubles, it is conceivable to reduce the distance between the rollers, or to cover the rollers themselves with Teflon, etc., but this is not a desirable solution as it would complicate the device or increase costs. It wasn't a plan.

Furthermore, if the amount of film discharged onto the tray becomes large enough to exceed the capacity of this tray, the discharge roller 11a will pull the already discharged film 12 into the drying chamber 1. There was a problem.

Therefore, the present invention has been devised to overcome the above-mentioned drawbacks of conventional photosensitive material drying apparatuses.

That is, the present invention provides a method for transporting a photosensitive material that has undergone each process of development, fixing, and water washing through a photosensitive material conveyance unit that includes a plurality of rollers that convey the photosensitive material and a guide member that guides the photosensitive material. In a photosensitive material drying apparatus configured to dry with warm air, the guide member is fitted into at least a groove formed on the outer peripheral surface of the roller located on the emulsion surface side of the photosensitive material, and This photosensitive material drying apparatus is characterized in that it is comprised of a member extending from an inlet to an outlet.

Hereinafter, the present invention will be explained using Section 5 and FIG. 4, which show preferred examples of the present invention. Note that Figure 4 is B- in Figure 5.
B cross section 1 is shown, and the same components as in Figures @1 and 2 are not designated by the same reference numerals.

The film 12 is conveyed to the drying chamber 1 through the steps of imaging, fixing, and washing with water. In the vicinity of this drying room 10, the film 12 is squeezed by squeeze rollers 5, 5m,
4, 4a, 5.5a while being squeezed and sent in the direction of discharge rollers 11, 11"a. These squeeze rollers 5', 5a, 4.4a, 5.5a and discharge roller 11.11a are driven by the same drive. In particular, the squeeze rollers 5a, 4a, 5m located below and the discharge row 211a are located at the axial center of these rollers as shown in the figure.

Grooves 50a, 40a, 50a, and 110a are formed, respectively, so that the guide 0 member 2 passes through the film transport surface from the film inlet to the exit of the noble house 1 near the bottom.

11Qa [Eagle inserted. On the other hand, between the final squeeze roller 5 and the discharge roller 11, an upper guide member 14 made of a plate material as shown in FIG. 5 is installed in the film traveling direction. The film 12 sent out from the squeeze roller 5.5a is moved between the guide member 2 and the upper guide member 14.
guided by and guided to the discharge roller 11.11a,
It is discharged onto the tray 15.

During this time, the film 12 is transported with the emulsion side facing down, and is being dried by hot air blown from below the drying chamber 1. This hot air is generated by a blower fan 17 and a heater 16 provided below the drying chamber 10, passes through an opening 15 with a wire mesh provided at the bottom of the drying chamber 1, and passes through the film 1.
Sprayed on 2. Considering the drying efficiency, it is desirable that the film 12 be dried in as short a time as possible, and for this reason, in the main dormitory example, the guide member 2 is made of a member as thin as possible (for example, a wire) so that the film 12 can be dried as quickly as possible.
It is devised so that a large amount of warm air hits 2. Note that depending on conditions such as the film transport speed and drying temperature, the guide member 2 itself may be heated and have an adverse effect on the film 12, so it is recommended to select a material with low thermal conductivity. preferable. Also, film 120
The upper guide member 14 provided on the base side should preferably be slightly narrower than the width of the film 12, and to prevent scratches on the base surface, it is advisable to attach Helia or Telempu cloth to the guide member 9. A film similar to 2 (
- It can also be provided on the base side.

Since this example device is constructed as described above, even if the film 12 has a very strong curling tendency, the leading edge of the film 12 will not deviate from the conveying surface, and problems such as film clogging will be avoided. It can be prevented. In addition, even if the device is inadvertently stopped while the film 12 is in the drying chamber 1, or if the drying hot spray is abnormally excessive, the film 1
2, these do not adhere to the ID member 2.14,
Even if it is bonded, the trouble Ik' can be kept to a minimum. Also, the film 1 once discharged to the tray 15
The problem of the 2'Ik discharge roller 11.11a being drawn back into the drying chamber 1 is also solved.

Further, as in the one-strand weaving apparatus, by minimizing the number of conveyance rollers required, the structure can be made simpler than the conventional one.

Although the present invention has been described above based on one practical example, the present invention is not limited to the above-mentioned practical example, and the structure can be modified as shown in FIGS. 5 and 6. In other words, this is (the bolt-shaped guide member 2a is the squeeze roller 5' + 4 a + 5
8 + and a groove 50a in a circular part of the discharge roller 11a, 4
0a, 50a, and 110aK are aligned and stretched, and a roller 20 is arranged at the discharge portion of the film 12 as shown in the figure. This guide member 2a is configured to be driven by a drive source (not shown) and transport the film 12. Further, a member 19 is provided to prevent backflow of the film discharged onto the tray.

Even when Km is set in this way, the same effect as in the above-mentioned actual example is obtained. In this case, the guide member 2a is inserted into the grooves 50a and 40a of each of the rollers.

When configured to match the cross-sectional shape of 5Qa and 110a, when the film 12 is conveyed, the film surface is evenly supported, eliminating the occurrence of spots during drying, and the finish of the film 12 becomes more favorable. .

Furthermore, the film 12 serves as a guide during transportation.

In order to prevent the member from shifting from the member 2.14, the squeeze rollers 5.3, 4.4a, 5.5a and the ejection roller 11 are
．． Fran on the Wi4111 side of 11a:) (not shown)
By providing this, film transport can be made even more reliable.

The above has been explained using the drying of the film of the present invention as an example.
Needless to say, this method can be applied to drying of photosensitive materials such as 4-par or 28-plate for external photography, and the same effect can be obtained.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing an example of a conventional photosensitive material drying apparatus.
2 is a sectional view taken along the line A-A in FIG. 1, FIG. 5 is a view showing an example of the present invention, FIG. Another practical example of the present invention is shown in FIG.
It is a cross-sectional view taken along line C-G in the figure. 1. Drying chamber 2. Guide member 5.5a.
4.4a 5.5a-squeeze roller 11.11a...
- Discharge roller 12... Film 15... Opening with wire mesh 14... Guide 9 member 15... Tray
16...Heater 17...Fan Fig. 1

Claims (2)

[Claims] (1) The photosensitive material is conveyed through a photosensitive material conveyance section consisting of a plurality of rollers that convey the photosensitive material that has completed the printing, fixing, and washing steps, and a guide member that guides the photosensitive material. In a photosensitive material drying apparatus configured to dry with hot air, the guide 9 member is fitted into a groove carved in a circumferential portion of the roller that is positioned at least on the emulsion surface 11 of the photosensitive material, and A photosensitive material drying apparatus characterized in that it is constituted by a member extending from an inlet to an outlet of the conveying section. (2) The member according to claim 1, characterized in that the member fitted into the groove cut in the circumferential portion of the roller and extending from the entrance to the exit of the conveying section is a belt. Photosensitive material drying equipment.