JP3585138B2 - Photosensitive material processing equipment - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a photosensitive material paper processing section or a photosensitive material printing section, and further relates to a photosensitive material processing apparatus including both of them.
[0002]
[Prior art]
Some photosensitive material processing apparatuses include, for example, a photosensitive material printing unit or a photosensitive material processing unit, or both of them. The photosensitive material printing unit conveys, for example, an unexposed photosensitive material to an exposure unit, and exposes a desired negative film image to the unexposed photosensitive material. Further, the photosensitive material processing section is for transporting the photosensitive material into the processing solution in the processing tank and performing development processing. As a method for transporting the photosensitive material into the processing solution in the processing tank, for example, the photosensitive material processing section is opposed to the processing tank. In some cases, a rack having a plurality of pairs of transport rollers is arranged, a photosensitive material is pressed between the opposed transport rollers, and the photosensitive material is transported by rotation of the transport rollers.
[0003]
[Problems to be solved by the invention]
In the photosensitive material printing section of such a photosensitive material processing apparatus, since positional accuracy for printing is particularly required, the apparatus main body is formed of a die-cast aluminum sheet or a machined part of a thick metal plate. However, there is a problem that it is heavy and heavy, and the number of assembling steps is increased.
[0004]
It is also conceivable that the processing capacity can be changed by increasing / decreasing the number of rollers provided in the transporting section of the photosensitive material processing section and by changing the transporting speed, so that the photosensitive material processing apparatus can be adapted to the user's request. In this case, if the entire rack including the pair of transport rollers is replaced to change the processing capacity, the number of racks increases, the cost increases, and the number of assembly steps increases.
[0005]
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a photosensitive material processing apparatus capable of changing processing capacity at low cost and reducing the number of assembly steps.
[0011]
[Means for Solving the Problems]
In order to solve the above-mentioned problem and to achieve the object, a photosensitive material processing apparatus according to the present invention is configured to increase or decrease the number of rollers for transporting the photosensitive material in a transport section of the photosensitive material processing section, and The processing capacity can be changed by making the transfer speed changeable,
When the lowermost roller pair of the photosensitive material processing unit is removed, the U-turn guide member for guiding the photosensitive material thereunder is the same as the upper roller pair of the removed roller pair and the lowermost roller pair below. It has a transport unit that can be attached to the position of the positional relationship,
The fixing member for attaching the U-turn guide member is the same as the fixing member for attaching the linear guide member for guiding the photosensitive material provided between the roller pair,
A fixing member mounting hole for mounting the linear guide member provided on the side plate of the transport unit is shared .
When the lowermost roller pair of the photosensitive material processing unit was removed with respect to the processing length of the plurality of processing tanks in the photosensitive material processing unit, the U-turn guide member for guiding the photosensitive material thereunder was removed. The U-turn guide member can be mounted at a position having the same positional relationship as the upper roller pair and the lower roller pair at the bottom, and a plurality of mounting positions of the U-turn guide member can be changed. In addition, the processing length can be easily changed in response to a change in processing or the like, the utilization can be improved, the processing capacity can be changed at low cost, and the number of assembly steps can be reduced.
[0012]
Also, by using the fixing member and the fixing member mounting hole for mounting the U-turn guide member and the linear guide member in common, the degree of freedom of the processing length is reduced, but the processing length can be finely changed with a simple structure. it can.
[0013]
A photosensitive material processing apparatus according to a second aspect of the present invention is characterized in that a hollow container corresponding to this space can be mounted in a space excluding the roller pair so that the amount of the processing liquid is not increased.
When the processing capacity is reduced, the processing liquid that does not contribute to the processing can be reduced, and the burden on the circulation pump can be reduced.
[0014]
According to a third aspect of the present invention, in the photosensitive material processing apparatus, the hollow container has a through hole for circulating a processing solution, and the through hole circulates a processing solution formed in the U-turn guide member. In the position of the through hole for the hole.
Since the through-hole for circulating the processing liquid is formed in the hollow container for reducing the processing liquid that does not contribute to the processing, the processing liquid can be circulated well and the processing performance can be maintained.
[0015]
The photosensitive material processing apparatus of the invention of claim 4, wherein, as characterized by comprising a treatment tank having mounting holes for mounting the U-turn guide member, a conveying portion which is plurally formed to correspond to a plurality of mounting positions I have.
The processing tank can be used for general purposes because a plurality of mounting positions of the U-turn guide member can be changed, and the processing length can be easily changed in response to a change in processing or the like.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the photosensitive material processing apparatus of the present invention will be described in detail. 1 is a schematic view of a photosensitive material processing apparatus, FIG. 2 is a perspective view of an apparatus body of a photosensitive material printing section, FIG. 3 is a perspective view of a state in which a box is attached to the apparatus body of the photosensitive material printing section, and FIG. FIG. 5 is a schematic view showing a processing unit, FIG. 5 is a perspective view of a processing rack, FIG. 6 is an exploded perspective view of the processing rack, FIG. 7 is a view taken in the direction of arrow A in FIG. 6, FIG. FIG. 3 is a view showing a hollow container.
[0017]
As shown in FIG. 1, the photosensitive material processing apparatus 1 includes a photosensitive material printing unit 2 and a photosensitive material processing unit 3.
[0018]
The photosensitive material printing section 2 includes a transport section 4 and an exposure section 5. A magazine 6 is set in the transport section 4, and a long unexposed photosensitive material P1 is wound around the magazine 6. The long photosensitive material P1 is pulled out from the outlet 7 of the magazine 6, is held between the feed roller pairs 8, is sent out by a predetermined length by the drive of the sending motor 9, is conveyed to the cutter unit 10, cut into a predetermined size, and is formed into a sheet. Is prepared. The sheet-shaped photosensitive material P2 is transported to the exposure position A by a belt transporting unit 11 disposed at a stage subsequent to the cutter unit 10.
[0019]
The belt conveying means 11 includes a belt 12 on which a sheet-shaped photosensitive material P2 is placed, a driving roller 13 for conveying the belt 12, a driving motor 14 for rotating the driving roller 13, and a pressing roller 15 for pressing the belt 12. Then, the photosensitive material P2 in the form of a sheet is stopped at the exposure position.
[0020]
The delivery unit 17 includes a delivery roller pair 18 and a guide pair 19, and the delivery roller pair 18 is driven by a delivery motor 20. The sending section 17 is provided with a sub-exposure section 21.
[0021]
The exposure unit 5 is disposed above the sheet-shaped photosensitive material P2 of the transport unit 4. The exposure unit 5 includes a halogen lamp 22, a negative carrier 23, a filter 24, a mirror tunnel 25, a zoom lens 26, and the like. The exposure unit 5 transmits through the negative film F1 mounted on the negative carrier 23 and forms a sheet-like photosensitive material P2. Expose. The exposed sheet-shaped photosensitive material P2 is carried out to the photosensitive material processing section 3 in the next step by the sending section 17.
[0022]
The optical system member and the photosensitive material conveying system member of the photosensitive material printing unit 2 are attached to a precision assurance member 32 formed by a square pipe 30 and a sheet metal processing member 31 shown in FIGS. By using the accuracy assurance member 32 formed by the square pipe 30 and the sheet metal processing member 31, the position accuracy for printing is high, the image performance can be improved, and the deterioration of image quality due to aging can be prevented. In addition, the cost can be reduced, the weight can be reduced, and the number of assembling steps can be reduced.
[0023]
In this embodiment, the base 33 of the apparatus main body is formed by the square pipe 30 and the sheet metal processing member 31, and integrally formed with the accuracy assurance member 32 formed by the square pipe 30 and the sheet metal processing member 31, The boxes 34 and 35 are mounted on a base 33 of the base plate and fixed. The base 33 of the apparatus main body has a high positional accuracy for printing, and has a light shielding property easily by mounting and fixing the boxes 34 and 35 on the base 33 at the bottom of the apparatus main body. can do.
[0024]
The sheet metal processing member 31 on the left side of the box 34 is provided with openings 31a, 31b, 31c and a mounting part 31d, and the magazine 6 is arranged on the left side of the box 34. The sheet metal processing member 31 on the right side of the box 34 has an opening 31e and a mounting hole 31f. A pair of mounting portions 36 are mounted on the sheet metal processing member 31 at the bottom of the box 34, and mounting holes 36a are formed in the mounting portions 36. In the box 34, the belt conveying means 11 and the conveying section 4 of the sending section 17 are arranged, and these photosensitive material conveying system members form the sheet metal processing forming the accuracy assurance member 32 through the mounting holes 31f and 36a of the box 34. It is fixed to the member 31.
[0025]
An opening 31g is formed in the sheet metal processing member 31 at the bottom of the box 35, and a mounting hole 31h is formed in the sheet metal processing member 31 at the back. The square pipe 30 is also provided with a mounting hole 30a. In the box 35, the exposure unit 5 is disposed, and the optical system member is connected to the sheet metal processing member 31 and the square pipe 30 which constitute the accuracy assurance member 32 through the mounting hole 31h of the box 35 and the mounting hole 30a of the square pipe 30. Fixed.
[0026]
As described above, the optical system member and the transport system member are fixed to the precision assurance member 32 via the mounting holes 31f, 36a, 31h of the boxes 34, 35 and the mounting hole 30a of the square pipe 30, so that the optical system member and the transport system member are fixed. The transport system member can be configured to have high positional accuracy and light shielding properties easily.
[0027]
In addition, the transport system member mounted on the bottom of the box is positioned from the accuracy assurance member 32, fixed to the base 33, and mounted and fixed on a member whose position has been adjusted by dimensional measurement. , Position accuracy is high.
[0028]
In the photosensitive material printing unit 2, the bottom of the base 33 of the apparatus main body is formed by a square pipe 30 as shown in FIG. 2, and the square pipe 30 is perpendicular to the plane of the bottom 30. A square pipe structure B having a rear surface portion configured and provided upright, and the square pipe structure B was formed by sheet metal processing on the square pipe 30 at the bottom portion as shown in FIG. It has a sheet metal processing component C composed of the sheet metal processing member 31. By maintaining the strength (prevention of distortion) as the square pipe structure B and making the back surface upright with respect to the plane of the bottom surface to form an L-shape, the back surface can be made stronger against the bottom. When all the pipes are used, the weight increases and the number of parts to be attached decreases, which is inconvenient. However, the least effective L-shaped portion is a square pipe 30 and a sheet metal processing member 31 is formed thereon by sheet metal processing. By providing the sheet metal processing structure C made of the square pipe structure B, the unevenness of the ground is prevented from being influenced upward. For this reason, even if the conveyance part 4 and the exposure part 5 are provided on the sheet metal processing structure C, the positional relationship can be maintained with high accuracy, the image performance can be improved, and the deterioration of the image quality due to aging can be prevented.
[0029]
The photosensitive material processing section 3 develops the exposed sheet-like photosensitive material P2, and as shown in FIGS. 1 and 4, a color developing tank 50, a bleach-fix tank 51, a first stabilizing tank 52, Processing tanks D such as a second stabilizing tank 53 and a third stabilizing tank 54 are provided separately. The sheet-like photosensitive material P2 developed in the processing tank D is sent to the drying unit 55, and the photographic prints F3 obtained by the drying process are stacked and discharged to the conveyor mechanism unit 56, for example, every one order. A drying blower 57 is disposed below the drying unit 55, and a color developing replenisher tank 58, a bleach-fix replenisher tank 59, and a stable replenisher tank 60 are disposed below the processing tank D. Further, a circulation pipe 61 is connected to the bottom of the color developing tank 50, the bleach-fix tank 51, the first stabilization tank 52, the second stabilization tank 53, and the third stabilization tank 54, and each is driven by a circulation pump (not shown). Processing liquid is circulating.
[0030]
A processing rack E constituting a transport unit is disposed in the processing liquid in the processing tank D such as the color developing tank 50, the bleach-fix tank 51, the first stabilizing tank 52, the second stabilizing tank 53, and the third stabilizing tank 54. The processing rack E conveys the sheet-like photosensitive material P2.
[0031]
As shown in FIGS. 5 to 8, the processing rack E includes a pair of side plates 70, a support bar 71 provided between the side plates 70, an evaporation prevention cover 72, a linear guide member 73, a roller pair 74, a gear 75, It comprises a U-turn guide member 76. Power is transmitted to a pair of rollers 74 from a drive source (not shown) via a gear 75 to rotate. The photosensitive material P2 conveyed from above is conveyed by the left roller pair 74, descends, turns by the U-turn guide member 76, is conveyed by the right roller pair 74, and rises. The material P2 is guided.
[0032]
The processing rack E, which constitutes the transport section of the photosensitive material processing section 3, is configured so that the processing capacity can be changed by increasing / decreasing the number of roller stages and changing the transport speed. For example, in order to reduce the number of roller stages, as shown in FIGS. 7 and 8, when the lowermost roller pair 74 of the processing rack E is removed, a U-turn guide member 76 for guiding the photosensitive material P2 therebelow is provided. The roller pair 74 can be mounted at the same position as the lower roller pair 74 below the upper roller pair. That is, as shown in FIG. 7, a mounting hole 70a for the roller pair 74 and a mounting hole 70b for the U-turn guide member 76 are formed in the right side plate 70 corresponding to each step. On the other hand, on the left side plate 70, as shown in FIG. 8, a mounting hole 70c for the roller pair 74 and a fixing member mounting hole 70d are formed corresponding to each step.
[0033]
As shown in FIG. 7, a positioning pin 76b is formed at the right end of the U-turn guide member 76, and the positioning pin 76b is engaged with the mounting hole 70b of the right side plate 70 and mounted. On the other hand, as shown in FIG. 8, a positioning concave portion 76a is formed at the left end of the U-turn guide member 76. The positioning concave portion 76a is positioned in the mounting hole 70d of the left side plate 70, and from the outside of the side plate 70 The fixing member 77 is inserted into the fixing member mounting hole 70d, and is fitted and mounted in the positioning recess 76a. The fixing member 77 is the same as the one for attaching the linear guide member 73, and the fixing member mounting hole 70d for attaching the linear guide member 73 provided on the side plate 70 is shared, so that the degree of freedom of the processing length is increased. Although reduced, the processing length can be finely changed with a simple structure.
[0034]
As described above, when the lowermost roller pair 74 of the processing rack E is removed with respect to the processing length of the plurality of processing tanks D of the photosensitive material processing section 3, a U-turn for guiding the photosensitive material thereunder is provided. The guide member 76 can be attached to a position having the same positional relationship as the upper roller pair and the lower roller pair below the removed roller pair 74, so that a plurality of attachment positions of the U-turn guide member 76 can be changed. And the processing rack E can be used for general purposes. In addition, the processing length can be easily changed in response to a change in processing or the like, the utilization can be improved, the processing capacity can be changed at low cost, and the number of assembly steps can be reduced.
[0035]
The mounting hole 70b for mounting the U-turn guide member 76 has a plurality of side plates 70 formed corresponding to the plurality of mounting positions, and the processing tank D changes the mounting position of the U-turn guide member 76 by a plurality. Since it can be performed, it is used for general purposes, and the processing length can be easily changed in response to a change in processing or the like.
[0036]
Further, as shown in FIGS. 4 and 9, a hollow container 80 corresponding to the space G can be attached to the space G excluding the roller pair 74, so that the processing liquid amount is not increased. When the processing capacity is reduced, the processing liquid that does not contribute to the processing can be reduced, and the burden on the circulation pump can be reduced.
[0037]
The hollow container 80 has a through hole 80a for circulating the processing liquid, and the through hole 80a faces the position of the through hole 76c for circulating the processing liquid formed in the U-turn guide member 76. I have. Since the hollow container 80 for reducing the processing liquid that does not contribute to the processing is formed with the through-hole 76c for circulating the processing liquid, the processing liquid can be circulated well and the processing performance can be maintained.
[0043]
【The invention's effect】
As described above, according to the first aspect of the present invention, when the lowermost roller pair of the photosensitive material processing unit is removed with respect to the processing length of the plurality of processing tanks in the photosensitive material processing unit, the photosensitive material below the pair is removed. The U-turn guide member for guiding the U-turn guide can be mounted at the same positional relationship as the upper roller pair and the lowermost roller pair below the removed roller pair. It can be used for general purpose. In addition, the processing length can be easily changed in response to a change in processing or the like, the utilization can be improved, the processing capacity can be changed at low cost, and the number of assembly steps can be reduced.
[0044]
Further, if the fixing member and the fixing member mounting hole for mounting the U-turn guide member and the linear guide member are shared, the degree of freedom of the processing length is reduced, but the processing length can be finely changed with a simple structure.
[0045]
According to the second aspect of the present invention, since the hollow container can be attached to the space excluding the roller pair so as not to increase the amount of the processing liquid, when the processing capacity is reduced, the processing liquid that does not contribute to the processing is reduced. At the same time, the burden on the circulation pump can be reduced.
[0046]
According to the third aspect of the present invention, since the through-hole for circulating the processing liquid is formed in the hollow container that reduces the processing liquid that does not contribute to the processing, the processing liquid can be circulated well and the processing performance can be maintained. it can.
[0047]
According to the fourth aspect of the present invention, since the processing tank can change a plurality of mounting positions of the U-turn guide member, it is generally used, and the processing length can be easily changed in response to a change in processing or the like. .
[Brief description of the drawings]
FIG. 1 is a schematic diagram of a photosensitive material processing apparatus.
FIG. 2 is a perspective view of an apparatus main body of a photosensitive material printing unit.
FIG. 3 is a perspective view showing a state in which a box is attached to an apparatus main body of a photosensitive material printing unit.
FIG. 4 is a schematic view showing a photosensitive material processing section.
FIG. 5 is a perspective view of a processing rack.
FIG. 6 is an exploded perspective view of a processing rack.
FIG. 7 is a view as viewed from the direction indicated by the arrow A in FIG. 6;
FIG. 8 is a view as viewed in the direction of arrow B in FIG. 6;
FIG. 9 is a view showing a hollow container.
[Explanation of symbols]
Reference Signs List 1 photosensitive material processing apparatus 2 photosensitive material printing section 3 photosensitive material processing section 4 transport section 5 exposure section 74 roller pair 76 U-turn guide member

Claims (4)

The processing capacity can be changed by increasing / decreasing the number of roller stages for transporting the photosensitive material in the transporting section of the photosensitive material processing section and changing the transport speed of the photosensitive material,
When the lowermost roller pair of the photosensitive material processing unit is removed, the U-turn guide member for guiding the photosensitive material thereunder is the same as the upper roller pair of the removed roller pair and the lowermost roller pair below. It has a transport unit that can be attached to the position of the positional relationship,
The fixing member for attaching the U-turn guide member is the same as the fixing member for attaching the linear guide member for guiding the photosensitive material provided between the roller pair,
A photosensitive material processing apparatus, wherein a fixing member mounting hole for mounting the linear guide member provided on a side plate of the transport unit is shared . The space excluding the rollers, the hollow container of the space equivalent to the attachable, photosensitive material processing apparatus according to claim 1, characterized in that so as not to increase the amount of treatment liquid. The hollow container has a through hole for circulating the processing liquid,
The through hole, the photosensitive material processing apparatus according to claim 1 or claim 2, characterized in that opposite the position of the through hole for circulating the processing liquid formed in said U-turn guide member. Mounting holes for mounting the U-turn guide member, any one of claims 1 to 3, characterized in that it comprises a treatment tank having a carrier portion which is plurally formed to correspond to a plurality of mounting positions 3. A photosensitive material processing apparatus according to claim 1.

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