JPH08114907A - Structure of washing part in processing device for photosensitive material - Google Patents

Abstract

PURPOSE: To obtain a washing structure in a small size with high washing efficiency and to prevent remaining of impurities such as salt components on a photosensitive material after washing. CONSTITUTION: Fresh water is supplied to a water reservoir 70A. The washing water is pumped by pumps 84, 88 and sprayed through a spray pipe 80 in the most downstream side to wash a film 20 to remove the component of a fixing liquid from the surface of the film. The washing water sprayed through the spray pipe 80 in the most downstream side to the film 20 is partly returned to the water reservoir 70A, while another part of water is dropped to a water reservoir 70B. Further, washing water sprayed through a spray pipe 80 in the center and most upstream side to the film 20 is partly returned to the water reservoir 70B and partly dropped to a tank 72 for waste water.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing section of a photosensitive material processing apparatus for carrying out processing with a processing solution such as development and fixing while conveying a photosensitive material on which an image has been printed and then carrying out washing processing with washing water. Concerning the structure of.

[0002]

2. Description of the Related Art Generally, an exposed light-sensitive material is a developing solution,
A developing solution, a fixing treatment, a washing treatment, and the like are sequentially performed with a treatment liquid such as a fixing liquid and washing water, and thereafter, the resulting liquid is sent to a drying unit and dried.

A processing solution and washing water are stored in advance in a processing tank, and the photosensitive material is processed by being conveyed while being immersed in the processing tank.

Such an immersion type processing method is often used for processing a photosensitive material, and the larger the storage amount, the longer the processing time can be maintained by replenishing the replenisher and the mother liquor exchange interval is lengthened. be able to.

[0005]

However, in the rinsing section, the rinsing water used for rinsing the light-sensitive material cannot recover its ability by supplying a replenishing solution like a processing solution such as a developing solution. The salt component remains according to the treatment amount of, when the photosensitive material is washed with washing water in this state, salt components such as calcium and magnesium remain in the photosensitive material on the surface of the photosensitive material, and the photosensitive material is washed after the washing part. Precipitates may occur on rollers or the like that nip and convey. In order to eliminate this, the washing time may be lengthened or the washing water in the washing section may be frequently replaced.However, if the washing time is lengthened, the total processing time of the processing of the photosensitive material in the photosensitive material processing apparatus will be reduced. It becomes less efficient. Further, if the washing water is frequently exchanged, the operating efficiency of the photosensitive material processing apparatus is lowered, and a large amount of washing water is required such as increasing the washing tank capacity. Moreover, if the size of the washing tank is increased, the size of the apparatus itself is increased.

In consideration of the above facts, the present invention provides a washing section structure of a light-sensitive material processing apparatus which is small in size, has good washing efficiency, and can prevent impurities such as salt components from remaining on the light-sensitive material after washing with water. That is the purpose.

[0007]

According to a first aspect of the present invention, there is provided a water washing section structure of a light-sensitive material processing apparatus, in which an exposed light-sensitive material is processed with a processing solution while being conveyed, and then washed with water. And a carrying means for carrying the photosensitive material, which has been processed by the processing liquid, along a carrying path,
In order to spray washing water onto the photosensitive material conveyed by the conveying means along the conveying path and wash the water, a plurality of photosensitive materials are arranged upstream and downstream of the photosensitive material on the conveying path. Of the washing water injection port, a downstream side washing water storage tank that receives the washing water that has been injected from the downstream side injection port, and a downstream side that supplies the washing water received by the downstream side storage tank to the downstream side injection port Upstream flush water supply means, an upstream flush water storage tank that receives the flush water that has been sprayed from the upstream jet port, and an upstream side that supplies the flush water that has been received by the upstream storage tank to the upstream jet port It is characterized in that it is provided with a side washing water supply means and a guiding means for guiding the washing water overflowing the downstream side washing water storage means to the upstream side washing water storage means or for guiding it to the discarding section.

A second aspect of the present invention is a water-washing part structure of a light-sensitive material processing apparatus, which carries out a treatment with a processing liquid while conveying an exposed light-sensitive material, and then carries out a water-washing treatment with water. In order to wash it by jetting washing water toward the photosensitive material transported by the transporting means along the transporting path, and transporting means for transporting the photosensitive material which has been processed by A plurality of washing water injection ports arranged toward the upstream side and the downstream side of the photosensitive material in the transport path, a downstream side washing water storage tank for receiving the washing water that has been injected and dropped from the downstream side injection port, and the downstream And an upstream side flush water supply means for supplying the flush water stored in the side flush water storage tank to the upstream side injection port.

A third aspect of the invention is characterized in that, in the second aspect of the invention, a guide means is provided for guiding the wash water that has been sprayed and dropped from the upstream injection port to the waste portion.

The invention according to claim 4 is characterized in that fresh wash water is supplied to the downstream wash water storage tank or the downstream injection port.

[0011]

According to the invention described in claim 1, the photosensitive material is conveyed while being sandwiched by a plurality of rollers, for example. A flush water injection port is arranged in this transport path, and flush water is ejected from this injection port. The jetting cleans the front and back surfaces of the photosensitive material. The wash water that has been washed is jetted from the downstream injection port and falls, and the wash water is received by the downstream flush water storage tank, and the wash water that is jetted and dropped from the upstream injection port is the upstream flush water storage tank. Can be accepted by. Further, the flush water overflowing from the downstream side and upstream side flush water storage tanks is guided to the upstream side flush water storage tank or the discarding section by the guide means.

As described above, since part of the washing water after washing is reused and the other part is discarded, the washing water can be gradually replaced, and the photosensitive material can be removed with a small amount of washing water. Can be washed.

According to the second aspect of the present invention, by supplying the washing water stored in the downstream washing water storage tank to the upstream injection port, the washing water is gradually guided to the upstream side. To do. As a result, the light-sensitive material can be pre-washed with reused wash water having relatively little stain, and can be washed with fresh wash water as it goes downstream.

According to the third aspect of the present invention, the wash water sprayed from the most upstream side jet port is always used as the wash water with relatively little dirt, if it is discarded after washing the photosensitive material. can do.

According to the invention described in claim 4, for example,
By supplying fresh water to the downstream side flush water storage tank or the downstream side flush water injection port according to the amount of flush water to be discarded, the flush water exchange operation can be performed while processing.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an automatic developing apparatus 10 which is a photosensitive material processing apparatus to which the present invention is applied. The automatic developing device 10 is a device in which a film 20 which is an example of a light-sensitive material is dipped in a developing solution, a fixing solution and washing water to be processed, and then dried.

The automatic developing device 10 is provided with a processing liquid processing section 11 and a drying section 50 in a machine frame 12. The processing liquid processing unit 11 includes a developing tank 14 that stores a developing solution and a fixing tank 16 that stores a fixing solution. The processing liquid processing unit 11 places the film 20 inside the machine frame 12 in the vicinity of the insertion port 15 provided in the machine frame 12. An insertion rack 17 for drawing in and an insertion detection sensor 80 for detecting the film 20 to be inserted are provided.

The developing tank 14 and the fixing tank 1 of the processing liquid processing section 11
Transport racks 24 and 28 having a plurality of transport rollers 22 and 26, respectively, are disposed in the unit 6 by being immersed in a developing solution and a fixing solution. In addition, between the developing tank 14 and the fixing tank 16, a conveying roller 36 and a guide 38 are provided above them.
A crossover rack 34 having the above is arranged.

The film 20 inserted from the insertion opening 15
Is drawn in by the insertion rack 17, and is conveyed while being sequentially dipped in the developing solution and the fixing solution by the rotational driving of the conveying rollers 22 and 26, and the developing and fixing processes are performed.

A water washing section 18 is provided on the downstream side of the fixing tank 16. As shown in FIG.
The washing water storage tanks 70A and 70B and the waste tank 72 are provided with a receiving portion 74.

A guide plate 76 is arranged between the water washing section 18 and the fixing tank 16, and the film 20 is guided by the guide plate 76 to reach the water washing section 18.

The film 20 guided by the guide plate 76 and guided to the water washing section 18 is sandwiched by a plurality of pairs (four pairs in this embodiment) of rollers 78 arranged above the receiving section 74, and these rollers 78 are provided. The driving force of 78 allows the water washing section 18 to be conveyed substantially horizontally from the upstream side to the downstream side.

A spray pipe 80 is arranged between the plurality of pairs of rollers 78. The spray pipe 80 is
The films 20 are arranged on the front and back sides of the film 20 which is sandwiched and conveyed by the rollers 78 (in this embodiment, three pairs of spray pipes 80 are provided).

The flush water storage tank 70A is located on the most downstream side of the receiving portion 74 and has a pipe 81 for supplying fresh water. One end of a pipe 82 is connected to the bottom of the flush water storage tank 70A. This pipe 82 is a pump 84
It is connected to the spray pipe 80 (the front and back surfaces of the film 20) on the most downstream side via the. As a result, by driving the pump 84, the wash water stored in the wash water storage tank 70A is pumped out and sprayed from the spray pipe 80.

The flush water storage tank 70B is arranged adjacent to the upstream side of the flush water storage tank 70A via a partition wall 86. Fresh water is supplied from the partition wall 86 to the wash water storage tank 70A so that it overflows.

One end of a pipe 83 is connected to the bottom of the flush water storage tank 70B. The pipe 83 communicates with the spray pipes 80 (front and back surfaces of the film 20) on the center and uppermost stream sides via a pump 88. Thus, by driving the pump 88, the wash water stored in the wash water storage tank 70B is pumped out and jetted from the spray pipe 80.

A partition wall 90 is provided between the wash water storage tank 70B and the waste tank 72, and the wash water storage tank 70B is provided.
The wash water that overflows from the above reaches the waste tank 72 and is discarded.

Here, the washing water sprayed from the spray pipe 80 on the most downstream side drops to the receiving portion 74 after washing the film 20, but a part of this washing water is stored in the washing water storage tank. It is returned to 70A and the other part falls to the washing water storage tank 70B.

Further, the washing water sprayed from the spray pipes 80 on the central and uppermost stream drops to the receiving portion 74 after washing the film 20, but a part of this washing water is stored in the washing water storage tank. It is returned to 70B, and the other part falls to the waste tank 72.

A squeeze roller 4 for conveying the film 20 while squeezing it is provided between the washing section 18 and the drying section 50.
2, a squeeze rack 40 having a guide 43 for guiding the film 20 and the drying unit 50 is provided. The film 20 delivered from the water washing section 18 is guided to the drying section 50 while the surface water content is squeezed out by the squeeze roller 42.

Below the drying section 50, the drying turn section 48 is provided.
Is provided, and the film 20 inserted from the upstream side of the drying section 50 is dried while being conveyed downward by a plurality of rollers 44 arranged in a staggered manner, and then obliquely upward in the drying turn section 48. After being turned toward, it is stocked in the receiving box 52. In addition, as shown in FIG.
A part of the plurality of rollers 44 (four rollers shown by hatching in the upper part) may be the heat roller 60.

The operation of this embodiment will be described below. The film 20 on which an image is recorded by exposure is inserted into the automatic developing device 10 through the insertion port 15 of the automatic developing device 10 and processed. In the automatic developing device 10, the film 20 inserted from the insertion port 15 is drawn by the insertion rack 17 and sent to the developing tank 14 of the processing liquid processing section 11.

In the developing tank 14, the carrying roller 22 of the rack 24 carries it into a developing solution while carrying it in a substantially U-shape to carry out a developing process. The film 20 which has been processed in the developing tank 14 is guided and conveyed by the guide 38 of the crossover rack 34 and the conveying roller 36, and is sent to the fixing tank 16. In the fixing tank 16, the transport roller 2 of the rack 28
The film 20 is conveyed while being guided in a substantially U-shape by 6 and immersed in a fixing solution to perform a fixing process. The film 20 that has been processed in the fixing tank 16 is guided by the guide plate 76 and sent to the water washing section 18. In the washing section 18, 4
It is nipped by a pair of rollers 78 and is conveyed substantially horizontally.

Fresh water is supplied to the wash water storage tank 70A, and the wash water is pumped out of the wash water storage tank 70A by a pump 84 and sprayed from the spray pipe 80 on the most downstream side. . In addition, the flush water storage tank 70
The wash water is pumped out from B by the pump 88, and the wash water is sprayed from the spray pipes 80 on the center and uppermost stream sides.

The washing water sprayed from the spray pipe 80 is sprayed on the film 20 to wash the film 20 and remove the fixer component from the surface of the film.

Here, part of the wash water sprayed from the spray pipe 80 on the most downstream side and sprayed on the film 20 is returned to the wash water storage tank 70A, and the other part is washed water storage tank 70B. To fall. Further, a part of the wash water sprayed from the spray pipes 80 on the central and uppermost stream sides and sprayed on the film 20 is returned to the wash water storage tank 70B and drops into another part of the waste tank 72.

When fresh water is supplied to the wash water storage tank 70A, it overflows from the partition wall 86 to the wash water storage tank 70B, and further overflows from the partition wall 86 to the waste tank 72 from the wash water storage tank 70B. It

That is, the rinsing water is gradually replaced with fresh water and discarded, and the film 20 is gradually washed with rinsing water close to fresh water from the upstream side to the downstream side. No ingredients remain. Therefore, it is possible to prevent deposits from adhering to the roller or the like that comes into contact with the film after washing with water.

Further, since it is only necessary to gradually supply a small amount of fresh water, it is possible to reduce the amount used.

The film 20 which has been washed with water is guided and conveyed from the washing section 18 to the squeeze roller 42 and the guide 43 of the squeeze rack 40 and sent from the treatment liquid treating section 11 to the drying section 50. At this time, the water adhering to the surface of the film 20 is removed by the squeeze roller 42.

In the drying unit 50, while the film 20 is being conveyed by the conveying roller 44, the drying air generated in the drying air generating unit 45 is blown to heat and dry the film 20. When the film 20 is conveyed while being heated and reaches the drying turn section 48, the film 20 is obliquely turned upward, discharged, and stocked in a receiving box 49.

As described above, the washing water is not stored in the washing portion 18 in advance, but the film 20 is washed with the washing water sprayed from the spray pipe 80, and the necessary fresh water is gradually supplied. By adopting the metering method, the film 20 can be surely cleaned, and the salt component remaining on the film 20 does not cause deposits to adhere to the squeeze roller 42 or the like.

In this embodiment, the film 20 is conveyed substantially horizontally by the washing section 18, but as shown in FIG. 3, the receiving section 74 has one washing water storage tank 92 and one washing water storage tank 92. The film 20 which is composed of a waste tank 94 and is sent from the fixing tank 16 via the guide plate 76 is hung down near the partition wall 96 between the wash water storage tank 92 and the waste tank 94, and the wash water storage tank 92 is provided. You may make it turn to the side. Fresh water controlled by a valve 97 is directly fed to the spray pipe 98 on the most downstream side, and is fed to the other spray pipes 98 from a flush water storage tank 92 via a pump 99. The fresh water is supplied to the wash water storage tank 92, and the film 20 is conveyed in the vertical direction.
Since the film 20 after the turn is washed with the wash water flowing down along with it, the film 20 after the turn is washed with the relatively fresh wash water,
Furthermore, the cleaning effect can be obtained with a small amount of washing water.

[0044]

As described above, the structure of the washing section of the light-sensitive material processing apparatus according to the present invention is compact and has good washing efficiency.
It has an excellent effect that impurities such as salt components can be prevented from remaining in the light-sensitive material after washing with water.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an automatic developing device according to the present embodiment.

FIG. 2 is a schematic view of an automatic developing device in which the vicinity of a water washing section according to the present embodiment is enlarged.

FIG. 3 is a schematic view of a water washing section according to a modification.

[Explanation of symbols]

 10 Automatic Developing Device 14 Developing Tank 16 Fixing Tank 18 Washing Section 70A Washing Water Storage Tank 70B Washing Water Storage Tank 72 Waste Tank 74 Receiving Section 78 Roller 80 Spray Pipe

Claims (4)

[Claims] 1. A rinsing section structure of a photosensitive material processing device, wherein an exposed photosensitive material is processed with a processing solution while being transported, and then washed with rinsing water. A transporting means for transporting the photosensitive material along the transporting path, and in order to wash it by spraying washing water toward the photosensitive material transported by the transporting means along the transporting path, A plurality of washing water injection ports arranged toward the upstream side and the downstream side, a downstream side washing water storage tank that receives the washing water that has been injected from the downstream side injection port, and has been received by the downstream side storage tank Downstream wash water supply means for supplying wash water to the downstream injection port, an upstream wash water storage tank for receiving the wash water sprayed from the upstream injection port, and the upstream storage tank Wash water An upstream side flush water supply means for supplying the upstream side jet water to the upstream side injection port, and a guide means for guiding the flush water overflowing the downstream side flush water storage means by the upstream side flush water storage means or a waste portion. The structure of the water washing section of the photosensitive material processing device. 2. A water-washing part structure of a light-sensitive material processing apparatus, which carries out a treatment with a processing liquid while transporting an exposed light-sensitive material, and then carries out a water-washing treatment with water for washing. A conveying means for conveying along a conveying path, and in order to wash it by injecting washing water toward the photosensitive material conveyed by the conveying means along the conveying path,
A plurality of washing water jets arranged toward the upstream side and the downstream side of the photosensitive material in the transport path, a downstream washing water storage tank for receiving the washing water jetted from the downstream jetting port, and the downstream. An upstream washing water supply means for supplying washing water stored in a side washing water storage tank to an upstream injection port, and a washing portion structure of a photosensitive material processing apparatus. 3. The rinsing section structure of the light-sensitive material processing apparatus according to claim 2, further comprising guide means for guiding the rinsing water dropped from the upstream jet port to the discarding section. 4. The photosensitive material processing apparatus according to claim 1, wherein fresh rinsing water is supplied to the downstream rinsing water storage tank or the downstream injection port. Water washing part structure.