JPH10268499A - Rinsing device for developing processing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the high-humidity adhesive property of a heat developable photosensitive material obtained after heat developing processing regardless of humidity. SOLUTION: A washing tank 702 is provided on a washing part 700. The tank 702 is formed to be a dish-shape, and is filled with washing water inside. Besides, a circular-arcuate guide 704 for immersing a film F in water is provided on the tank 702, and the film F is washed while it is nearly circular-arcuately carried along the guide 704. On the upstream and the downstream sides of the tank 702, roller pairs 706 and 708 are constituted, and the roller pair 708 on the downstream side has function as a squeeze roller for eliminating needless moisture adhering to the film F.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning apparatus for cleaning at least one side of a sheet material, a silver halide light-sensitive material having an image exposed, and a method of bonding and heating the silver halide light-sensitive material. The present invention relates to a cleaning apparatus used in a developing apparatus for forming an image on a silver halide photosensitive material using a processing sheet containing a chemical for forming an image on the silver halide photosensitive material.

[0002]

2. Description of the Related Art Lith films (photosensitive materials) have conventionally been used for printing newspapers and magazines. In the squirrel film, the density of each pixel is represented by the density of a black point (halftone dot processing). In the case of color, a film expressing the shade of each color is produced, and a color image can be obtained. .

Conventionally, a lith film has been subjected to various processes such as development and fixing (wet process) in the same manner as a photographic film to form an image, so that the development process is complicated. In addition, since the squirrel film is sequentially immersed in a processing tank in which a processing liquid (a developing liquid and a fixing liquid, etc.) is stored, each processing is performed. This causes a problem that the deterioration of the development processing apparatus itself is accelerated.

On the other hand, the present applicant has developed a developing apparatus capable of developing a photosensitive material such as a lithographic film on which an image is formed without performing complicated processing such as development and fixing (wet processing). is suggesting. The development processing apparatus uses two types of materials, a photothermographic material and a processing material containing a chemical for forming an image on the photothermographic material. The heat-developable photosensitive material is developed by bonding the materials and heating for a predetermined time, and then separating and drying the photothermographic material and the processing material (so-called dry processing).

[0005] In a developing apparatus having such a structure, a liquid containing a chemical such as a processing liquid is not used, so that there is no need to bother the storage and replenishment management of the liquid and to clean the apparatus, and to improve the maintainability of the apparatus. Can be improved.

[0006]

However, when thermal development is performed using a photothermographic material, the salt of the photothermographic material itself or the salt generated in the development step may have an adverse effect. Note that the salt refers to an inorganic or organic water-washable compound, and may be a water-soluble compound used as a material in advance, or includes salts generated in a development step.

That is, since salt has high hygroscopicity, it has a property of sticking by absorbing moisture due to environmental humidity. If left after thermal development, a phenomenon of high humidity adhesion may occur.

In view of the above facts, the present invention provides a cleaning apparatus for a photothermographic processing apparatus which can eliminate the high humidity adhesiveness of the photothermographic material after the photothermographic processing regardless of the humidity. Is the purpose.

[0009]

According to a first aspect of the present invention, there is provided an image forming apparatus comprising: an image-exposed silver halide light-sensitive material; and a processing sheet containing an agent for forming an image on the silver halide light-sensitive material. A washing unit that is used in a development processing apparatus that heats and develops in the presence of a forming solvent, wherein at least the developed surface of the silver halide photosensitive material after the heat development is washed with a washing solution, And a squeeze section for wiping off a cleaning liquid adhering to the photosensitive material.

According to the first aspect of the present invention, when the silver halide photosensitive material and the processing sheet are heat-developed in the presence of an image forming solvent, an image is formed on the silver halide photosensitive material. Is done. The developed surface of the silver halide photosensitive material immediately after the heat development has a hygroscopic property, and if the apparatus is installed at a high humidity, there is a risk of absorbing moisture in the atmosphere.

This is due to the effect of silver used in the silver halide light-sensitive material or silver generated by the heat development process. If left as it is, stickiness occurs and dust and the like are generated due to the stickiness. Adhering, wrinkling, discoloration. Therefore, after the heat development, only the developed surface of the silver halide photosensitive material is washed by the washing unit. Thereby, the hygroscopicity itself can be eliminated and stickiness can be eliminated.

A squeeze section is provided downstream of the washing section so as to wipe off the washing liquid adhering to the silver halide photosensitive material washed and washed by the washing section. For this reason, the drying efficiency in the subsequent drying step can be improved.

According to a second aspect of the present invention, there is provided a cleaning tank in which the cleaning section stores a cleaning liquid, and a silver halide photosensitive material is guided into the cleaning tank, and is immersed in the cleaning liquid for a predetermined time as it is transported. And a guide means for the

According to the second aspect of the present invention, a cleaning tank for storing a cleaning liquid is disposed as a cleaning section, and a silver halide photosensitive material is soaked in the cleaning liquid in the cleaning tank. This configuration has the simplest structure, and may be disposed in the middle of the transport path, and has good maintainability.

According to a third aspect of the present invention, the cleaning unit is disposed on the developing surface side in the transport path of the silver halide photosensitive material, and a plurality of small holes are provided toward the developing surface. It is characterized by comprising a pipe and pressurizing supply means for pressurizing and supplying a cleaning liquid to the cleaning liquid injection pipe.

According to the third aspect of the present invention, the cleaning unit is configured to spray the cleaning liquid only on the development surface of the silver halide photosensitive material. According to this configuration, it is not necessary to store the cleaning liquid, and it is sufficient to spray only a necessary amount.
The use amount of the cleaning liquid can be reduced. Further, since there is momentum at the time of injection (pressure injection), the cleaning property is improved.
Further, if the jetted cleaning liquid is collected and reused (preferably collected through a filter), the amount of the cleaning liquid used can be further reduced.

[0017]

FIG. 1 shows the internal configuration of a developing apparatus 10 according to an embodiment of the present invention. The development processing apparatus 10 includes a lithographic film (for example, B5 to A5) for forming a binary image used for printing newspapers and magazines.
(0 size). In the present embodiment, the squirrel film to be subjected to the development processing is hereinafter referred to as a film F.

The film F applied to the present embodiment corresponds to the silver halide light-sensitive material of the present invention, and a photosensitive silver halide emulsion having a silver chloride content of at least 70 mol% on a support, It contains a hydrophilic binder and a basic metal compound that is hardly soluble in water.

As shown in FIG. 1, the developing device 10
Is formed in a box shape. Development processing device 10
An exposure device 11 that exposes an image to the film F and discharges the image is disposed on the right side of FIG.

On the right side of the developing device 10, there is provided a slit-shaped insertion opening 14 for inserting an undeveloped film F. The film F inserted from the insertion opening 14 is
Thermal development is performed in a thermal development section 66 described later. Further, a water washing section 700 for washing the developed film F with water and a drying section 300 are provided at the upper part of the developing apparatus 10, and the film F is conveyed substantially horizontally and discharged from the outlet 15 on the left side of the apparatus. It is supposed to be.

A door (not shown) is provided on the left side of the main body 12 of the developing apparatus 10, and the inside can be exposed by opening and closing the door.

Hereinafter, the apparatus configuration will be described in detail in accordance with the transport order of the film F. On the right side inside the main body 12 of the developing device 10, an insertion buffer unit 24 capable of temporarily holding the film F inserted from the insertion port 14 is provided.

The insertion buffer unit 24 includes a transport roller 26,
It is composed of a branch guide 28 and a transport roller 30, which are arranged in order. The transport roller 26 is a motor 32
The transport rollers 30
Is rotated by a motor 34.

The branch guide 28 is switched by a solenoid 36 between a horizontal state shown by a solid line in FIG. 1 and a vertical state shown by an imaginary line. When the state is switched to the vertical state, the film F can be slackened between the transport roller 26 and the transport roller 30 as shown by the imaginary line in FIG.

The processing speed of the developing device 10 (for example, 30 mm / sec) and the processing speed of the exposure device 11 (for example, 100 mm / sec) are controlled by the insertion buffer unit 24.
And the speed difference can be absorbed.

Between the insertion port 14 and the transport roller 26,
An insertion sensor 38 for detecting the film F is provided.

Further, the film F
On the downstream side in the conveying direction, water is applied as a photosensitive material carry-in unit 40 and a solvent for image formation, and a water application unit 42 as an application unit is provided. In addition, as an image forming solvent applicable other than water, water and methanol, DMF,
A mixed solvent with a low boiling point solvent such as acetone and diisobutyl ketone may be used. Further, an image formation accelerator, an antifoggant,
A solution containing a development terminator, a hydrophilic heat solvent, a preservative, a fungicide and the like may be used.

The photosensitive material carry-in section 40 is provided with a plurality of carry rollers 44 for carrying the film F carried from the insertion buffer section 24 to the water application section 42. Further, the photosensitive material loading section 40 is provided with a standby sensor 46 for detecting the film F at an intermediate portion of the film transport path.

The water application section 42 includes an application tank 48 and a replenishing tank and a pump (not shown) for replenishing the application tank 48 with water. The application tank 48 is formed in a dish shape, and the inside is filled with water as a solvent for image formation. Further, the coating tank 48 is provided with an arc-shaped guide 49 for immersing the film F in water. By applying water to the film F, the adhesiveness between the film F and the processing sheet 60 can be improved in a heat developing section 66 described later.

Above the coating tank 48, there is provided a squeeze roller 50 which is composed of a roller 50A and a roller 50B which are disposed horizontally, and which removes excess water adhering to the film F and conveys it upward. . Roller 50A
Is located on the same horizontal plane, and the squeeze roller 50 can pinch and convey the film F directly above.

A processing sheet unwinding section 52 as a storage section is provided on the left side inside the main body 12 of the developing apparatus 10, and a processing sheet as a collection section is provided above the processing sheet unwinding section 52. A winding unit 54 is provided.

A supply shaft 58 which is rotated by a motor 56 is detachably attached to the processing sheet unwinding section 52. A long processing sheet 60 is wound around the supply shaft 58 in a roll shape.

On the other hand, a winding shaft 64 that is rotated by a motor 62 is detachably attached to the processing sheet winding section 54.
0 is wound around a winding shaft 64. The supply shaft 58 and the take-up shaft 64 can be removed by opening a door (not shown) provided on the left side surface of the main body 12.

At a substantially central portion of the main body 12 of the developing apparatus 10, a heat developing section 66 as a heating means is provided. As shown in FIGS. 1 and 2A, a plurality of hot plates 68A to 68E are arranged in an arc shape in the heat developing section 66 (five sheets in the present embodiment). Hot plate 68A-6
The shape of 8E is substantially rectangular as shown in FIG. 2 (B), and incorporates planar heaters 69A to 69O and a temperature sensor (not shown). The heaters 69A to 69O are built in each of the hot plates 68A to 68E, and three heaters 69A to 690 are provided.
The heaters 69F to 69J provided at the center of the 68E
Heaters 69A provided at both ends of hot plates 68A to 68E
69E and 69K to 69O, twice as long.

The plurality of heaters 69A to 69O built in the hot plates 68A to 68E can be set to different temperatures by the control device 13, so that the temperature difference is different for each area of the hot plates 68A to 68E. Can be created.

In the present embodiment, each of the hot plates 68A-68
The heaters 69F to 69J provided at the center of the 68E
Is set to 80 ° C. this is,
This is a temperature suitable for subjecting the bonded film F and the processing sheet 60 to heat development processing. On the other hand, the hot plate 68A
Heaters 69A-69 provided at both ends of
E, the temperature of 69K to 69O is set to 90 ° C., which is higher by a predetermined temperature than the temperature of heaters 69F to 69J provided at the center of hot plates 68A to 68E, that is, the temperature suitable for thermal development processing. Has become. Thus, the hot plate 6
The temperatures of the heaters 69A to 69O are set so that a temperature difference of about 10 ° C. occurs between the center and both ends of 8A to 68E.

In the heat developing section 66, the film F is heated by the hot plates 68A to 68E, and the temperature rises to reach a temperature suitable for the developing process.
When the complex forming compound, physical nuclei and silver halide solvent contained in the film F act on the film F, an image is formed on the film F.

As shown in FIG. 1, a roller 70 is disposed below the hot plate 68A provided at the lowermost portion of the thermal developing section 66 on the right side of the transport path of the film F indicated by a dashed line. On the side of the heat plate 68E of the heat developing section 66, a hot plate 106 is further arranged along the transport path of the film F. On the right side of the hot plate 106, a roller is provided below the transport path of the film F. 72 are arranged. In addition, this hot plate 1
06 is used for heating and drying the film F.

Roller 70, hot plates 68A-68E, hot plate 1
A belt 74 that comes into contact with the back surface of the film F is wound around the roller 06 and the roller 72, and the belt 74 is further wound around rollers 76 and 78. Roller 70,
The reference numerals 72, 76, 78 are connected to each other by a timing belt (or a chain or the like) (not shown), and are rotated by a motor 80.

Below the roller 70, a bonding roller 82 as a superposing means composed of a roller 82A and a roller 82B is disposed. Roller 82B
The roller 82A can be rotated by a motor 84, and the roller 82A is urged toward the roller 82B by a spring (not shown).

Here, the roller 8 of the bonding roller 82
The rotation center of the 2A, the rotation center of the roller 82B is present in the same horizontal plane, the contact P ₁ between the roller 82A and the roller 82B is directly above the contact point P ₂ between the roller 50A and the roller 50B of the squeeze roller 50 It is located in. As a result, the water-applied film F becomes
Is transported directly above.

The roller 82 of the bonding roller 82
Since the rotation center of the roller A and the rotation center of the roller 82B are on the same horizontal plane, even if the rear end of the film F in the conveyance direction is separated from the squeeze roller 50, the conveyance direction of the film F The latter half is conveyed by the bonding roller 82 while maintaining the vertical state by its own weight. Therefore, the film F coated with water is stuck to the processing sheet 60 from the front end to the rear end while always maintaining a constant angle.

Further, a roller 86 for wrapping the processing sheet 60 is disposed below the supply shaft 58, and the processing sheet 60 sent out from the supply shaft 58 is wrapped around the roller 86 and then bonded. The sheet is conveyed along the hot plates 68A to 68E via the rollers 82.

As described above, the heating plates 68A to 68E have heaters 69A such that the central portion is at a temperature suitable for thermal development processing and the ends are higher by a predetermined temperature than the central portion.
Since it is heated by に よ っ て 69O, when the bonded film F and the processing sheet 60 are conveyed along the surfaces of the hot plates 68A to 68E, the elongation of both ends of the processing sheet 60 becomes larger than the central part. Therefore, slack in the vicinity of the central portion of the processing sheet 60 is reduced, and wrinkles can be eliminated.

Thus, the film F and the processing sheet 60
Are transported along the surfaces of the hot plates 68A to 68E in a state where they are in close contact with each other, so that a desired image can be formed on the film F.

An urging device 88 is provided at a position facing the hot plates 68A to 68E. Biasing device 88
Are rollers 90A, 90B, 90C and these rollers 9
0A, 90B, 90C and the processing sheet 60
And a belt 92 for urging the heat toward the outer peripheral surfaces of the hot plates 68A to 68E. The rollers 90A, 90B, and 90C are a timing belt (or a chain or the like, not shown).
And rotated by a motor 94.

Above the urging device 88, a processing sheet drying section 96 is provided. The processing sheet drying unit 96 includes hot plates 98A and 98B for heating the processing sheet 60, a fan 100 for blowing the processing sheet 60, and a holding roller 102 for bringing the processing sheet 60 into contact with or close to the hot plates 98A and 98B. Have been.

A film drying unit 104 is provided downstream of the thermal developing unit 66 in the transport direction of the film F. The film drying unit 104 includes a hot plate 106 for heating the film F and a fan 108 for blowing the film F.

Further, a roller 110 is disposed downstream of the film drying unit 104 in the direction of transport of the film F in such a manner that the film F is sandwiched between a belt 74 wound around the roller 72 and fed out.

The film F conveyed by the belt 74 wound around the roller 72 and the roller 110 is substantially U
The configuration is such that the transport roller 114 and the transport roller 116 are connected to the washing section 700 in the next step via the letter-shaped transport guide 112.

As shown in FIG. 4, the washing section 700 includes:
A washing tank 702 is provided. Wash tank 702
Is formed in a dish shape, and the inside is filled with washing water. Further, the water washing tank 702 is provided with an arc-shaped guide 704 for immersing the film F in water, and the film F is conveyed along a substantially arc along the guide 704 to be washed with water. In the present embodiment, water is used as the cleaning liquid. Hereinafter, the cleaning is referred to as rinsing, and the cleaning liquid is referred to as rinsing water.

On the upstream and downstream sides of the washing tank 702,
It is composed of a roller pair 706 and a roller pair 708, and the downstream roller pair 708 has a function as a squeeze roller for removing unnecessary moisture attached to the film F.

Such a water washing structure is a structure applied also to the water application section 42 according to the present embodiment. Film F
Is immersed, that is, soaked, so that even if squeezed, the film F has a high moisture content, but has the effect of a simple structure.

As shown in FIG. 3 and FIG.
A transfer unit 230 is provided between the drying unit 300 and the unit 0.

The transfer unit 230 includes a first roller 232 that is disposed slightly above the extension of the transport path of the film F discharged from the washing unit 700, and a first roller 232.
And a second roller 234 disposed substantially on the extension of the transport path of the film F further downstream. This first
A drive roller 236 is disposed at the apex of a triangle having both ends of the bottom side of the roller 232 and the second roller 234.

These three rollers 232, 234, 23
A belt 238 is wound around 6. Belt 2
Reference numeral 38 denotes a narrow width, and three rollers 232, 234, 236 are evenly arranged in the axial direction. This belt 238
Are provided with a plurality of holes 238A in a vertical and horizontal staggered manner.

Inside the belt 238 wound in a triangular shape, suction means 240 is provided.
The air is guided in the direction of sucking the air.

For this reason, the holes provided in the belt 238 serve as suction holes to suck the film F discharged from the washing section 700.

When the drive roller 236 is driven in this state, the film F is transferred to the drying unit 300 while being sucked by the belt 238, so that the lower surface (developing surface) that has been washed with the washing unit 700 is in a non-contact state. Will be maintained.

As shown in FIG. 3, the drying unit 300 has a hot air generating unit 302 on the lower side and a film guide unit 304 on the upper side with the substantially linear conveyance path space of the film F interposed therebetween.

In the hot air generating section 302, a plurality of elongated box-shaped hot air discharge sections 306 whose longitudinal direction is the film conveying width direction are arranged in the film conveying direction. This hot air discharge section 3
06 is provided with slit holes along the film width direction, and has a structure in which hot air is blown out when the inside of the hot air discharge unit 306 is pressurized.

At each end of the hot air discharge section 306,
Hot air guide duct 3 provided below hot air discharge section 306
08 is provided. Hot air guide duct 30
8, hot air is supplied under pressure by a blower 310 and heated by a heater (not shown). The volume of the hot air guide duct 308 gradually decreases toward the downstream side of the drying unit 300, and the pressure fed into the hot air discharge unit 306 is constant. Thereby, warm air can be blown at a substantially constant air volume from the uppermost stream to the lowermost stream side of the drying unit 300.

On the other hand, a plurality of rollers 312 are arranged in the film guide section 304 along the film transport direction. Each of the plurality of rollers 312 has a gear 314.
Are mounted coaxially, and the adjacent gears 314 mesh with the intermediate gear 316. A gear 320 attached to a rotating shaft of a motor 318 meshes with two intermediate gears 316 located at a substantially central portion in the film transport direction.

Therefore, when the motor 318 starts driving, the driving force is transmitted from the gear 320 to the two intermediate gears 316 located at the central portion, and thereafter, the gear 314 attached to the roller 312 and the intermediate gear 316 In this order, the driving force is transmitted to the gears 314 attached to the rollers 312 at both ends. Therefore, the plurality of rollers 312 all rotate in the same direction at the same rotation speed.

Here, the film F conveyed to the drying unit 300 is pushed up to the plurality of rollers 312 by hot air from the hot air discharge unit 306, and is conveyed at a constant speed by the rotational driving force of the roller 312. It has become. During this transport, the lower surface (the flushing surface in the flushing unit 700) can be brought into a non-contact state. Further, in order to stabilize the conveyance, suction may be performed from a gap between the rollers 312 by a suction unit (not shown).

At the most downstream side of the drying unit 300, a pair of transport rollers 322, a guide plate 324, and a pair of discharge rollers 32
6, the dried film F is sandwiched by the transport rollers 322, discharged from the drying unit 300, guided by the guide plate 324, and discharged by the discharge rollers 326.
Is discharged from the discharge port 16.

Next, the operation of the embodiment of the present invention will be described. In the development processing device 10, when the exposed film F discharged from the exposure device 11 is inserted into the insertion slot 14, the film F is detected by the insertion sensor 38, and the conveyance roller is moved at a speed corresponding to the insertion speed of the film F. The film 26 is rotated, and the film F is conveyed to the inside of the developing device 10.

Since the processing speed of the film F in the developing device 10 (after the transport roller 30) is lower than the insertion speed of the film F, when the leading end of the film F is nipped by the transport roller 30, the branch guide 28 is imaginary. Is switched to the vertical state indicated by. As a result, the rear side in the transport direction of the film F hangs down, for example, as indicated by the imaginary line in FIG.

The film F transported by the transport rollers 30 is transported to the water application section 42 by the transport rollers 44 of the photosensitive material loading section 40. The film F is immersed in the water stored in the application tank 48, and then the excess water is removed by a squeeze roller 50 and transported directly above.

Subsequently, when a predetermined time elapses after the leading end of the film F is detected by the standby sensor 46, the belt 74, the belt 92, and the processing sheet 60 are transferred to the film F.
The film F coated with water and the processing sheet 60 are bonded together by a bonding roller 82, and then transferred to the heat developing unit 66.

In the heat developing section 66, the bonding rollers 82
The film F and the processing sheet 60 that are bonded together are urged toward the hot plates 68A to 68E by the urging device 88, and are conveyed while contacting or approaching the heating surfaces of the hot plates 68A to 68E. At this time, the heating plates 68A to 68E are heated by heaters 69A to 69O provided therein so that a temperature difference is generated in each region of the heating plates 68A to 68E.

In the present embodiment, the hot plates 68A to 68A
The central portions of the hot plates 68A to 68E are set to a temperature (80 ° C.) suitable for the thermal development processing by the heaters 69F to 69J provided at the central portion of the hot plate 8E, and both ends of the hot plates 68A to 68E are heated to a temperature higher by a predetermined temperature. (90 ° C.).

As a result, both ends of the processing sheet 60 conveyed along the surfaces of the hot plates 68A to 68E become larger than the central portion, so that the processing sheet 60
Can be mitigated by relaxing the slack that is likely to occur in the vicinity of the central portion of the substrate. Therefore, the processing sheet 60 and the film F are conveyed along the surfaces of the hot plates 68A to 79E in a state in which the processing sheet 60 and the film F are in close contact with each other, and the heat development processing is performed, so that a desired image can be formed on the film F.

When the film F and the processing sheet 60 thus heat-developed are conveyed to the rear end of the heat developing section 66,
The processing sheet 60 is separated from the film F by the roller 90C, is dried in the processing sheet drying unit 96, and is wound around the winding shaft 64.

On the other hand, the film F from which the processing sheet 60 has been separated is dried in the film drying section 104 and then sent to the water washing section 700 via the conveyance guide 112, the conveyance rollers 114 and the conveyance rollers 116.

The film F sandwiched between the roller pair 706 on the upstream side of the washing section 700 turns obliquely downward and passes through the washing water in an arc shape along the guide 704 of the washing tank 702, and the roller pair By being pinched and conveyed at 708, it is squeezed and reaches the delivery unit 230. By this water washing, the film F is washed, and in particular, the salts contained in the developed surface, which cause high moisture adsorption, are removed.

The film F separated from the rinsing roller 216 is conveyed to the transfer unit 230 and is sucked by the belt 238 located above the film F. For this reason, the lower surface of the film F washed with the washing water is in a non-contact state. While maintaining this non-contact state, the film F
It is transported to the drying unit 300.

In the drying section 300, the film F is pushed up by the hot air from the hot air discharge section 306 toward the plurality of rollers 312 of the film guide section 304. The plurality of rollers 312 rotate in the same direction at the same speed, and the pushed-up film F is transported at a constant speed by the transport force of the plurality of rollers 312, and is gradually dried.

In the drying in the drying section 300, the water in the water washing section 700 is only on the lower surface of the film F and after the squeezing. Can be dried. Accordingly, it is possible to increase the drying speed, shorten the drying path length, reduce the drying temperature, reduce the amount of drying air to be supplied, and the like.

The dried film F is transported along the transport roller 322, the guide plate 324, and the discharge roller 326, and is discharged from the discharge port 16. (Modification of Washing Unit) FIG. 6 shows a modification of the washing unit according to the present embodiment.

In this modification, the rinsing and the squeezing are independent. That is, as shown in FIG. 6, a pipe 710 is arranged below the transport path of the film F in the film width direction. The pipe 710 is provided with a plurality of small holes 712 along the axial direction above the pipe 710, and by supplying washing water to the pipe 800, washing water is ejected from the small holes 712 by its internal pressure. I have.

The jetted washing water is applied to the film F, and the jetting pressure cleans the lower surface of the film F.

A pair of transport rollers 714 for holding the film F is provided downstream of the pipe 710. The lower roller of the transport roller 714 is mirror-finished to prevent uneven washing and damage to the surface of the washed film F. The film F is configured to be squeezed by being held between the transport rollers 714.

In the above-described embodiments and modifications, the film F is conveyed horizontally. However, the film F may be conveyed obliquely, vertically, vertically, or a combination thereof.

In the present embodiment, the structure in which water as a solvent for image formation is applied to the film F has been described, but the present invention is not limited to this. For example, it may be applied to the processing sheet 60, or may be applied to both the film F and the processing sheet 60.

[0086]

As described above, the cleaning apparatus for a heat development processing apparatus has an excellent effect that the high humidity adhesiveness of the photothermographic material after the heat development processing can be eliminated regardless of the humidity. Have.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a development processing apparatus applied to an embodiment of the present invention.

FIG. 2 is a schematic view showing a heat developing unit in a developing apparatus applied to the embodiment of the present invention. FIG. 2A is a schematic side view schematically showing a heat developing section, and FIG. 2B is a front view showing a state where a plurality of hot plates provided in the heat developing section are developed.

FIG. 3 is an enlarged schematic diagram of a water washing section and a drying section of the heat-developed film according to the exemplary embodiment.

FIG. 4 is a detailed view of a water washing section of the heat-developed film according to the exemplary embodiment.

FIG. 5 is a perspective view of a delivery unit according to the embodiment.

FIG. 6 is a detailed view showing a modification of the water washing section of the present embodiment.

[Explanation of symbols]

 F film 10 Developing device 40 Photosensitive material insertion part 42 Water application part 60 Processing sheet 66 Thermal development part 230 Delivery part 300 Drying part 302 Hot air generation part 304 Film guide part 306 Hot air discharge part 312 Roller

Claims (3)

[Claims] 1. A developing apparatus for heat-developing an image-exposed silver halide light-sensitive material and a processing sheet containing an agent for forming an image on the silver halide light-sensitive material in the presence of an image-forming solvent. A cleaning unit for cleaning at least the developed surface of the silver halide photosensitive material after the heat development with a cleaning liquid; and wiping a cleaning liquid adhered to the silver halide photosensitive material after the cleaning and cleaning by the cleaning unit. A cleaning device for a development processing device, comprising: a squeezing unit for paying. 2. A cleaning tank in which the cleaning section stores a cleaning liquid, and guide means for guiding the silver halide photosensitive material into the cleaning tank and immersing the silver halide photosensitive material in the cleaning liquid for a predetermined time along with the transport. The cleaning device for a development processing device according to claim 1, wherein the cleaning device is configured. 3. The cleaning liquid injection pipe, wherein the cleaning section is disposed on the developing surface side of the transport path of the silver halide photosensitive material, and has a plurality of small holes facing the development surface; 2. A cleaning apparatus for a development processing apparatus according to claim 1, further comprising a pressurizing supply unit for pressurizing and supplying a cleaning liquid to the developing apparatus.