JPH0248844Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an automatic film developing device in which a drive shaft rotates a plurality of pairs of rollers attached to a plurality of processing tanks containing processing liquids. .

[Conventional technology]

In this type of automatic developing device that develops photographed and unprocessed photosensitive film, each processing tank in the tank main body has a
A plurality of pairs of feed rollers driven by a drive shaft are provided, and the rotation of the drive shaft is transmitted to these feed rollers, so that the unprocessed photosensitive film is continuously passed through the processing liquid in the processing tank. The image is being developed.

To explain this with reference to FIGS. 18 to 20, the tank body 200 of the automatic film developing device includes:
A developing tank 201, a fixing tank 202, and a washing tank 203 are defined from each other by partition walls 204, 204, respectively, and above the partition walls 204, 204 are guide plates 205, 205 for guiding the conveyance of the photosensitive film.
However, guide portions 206, 206, 206 are provided at the bottoms of the processing tanks 201, 202, 203, respectively.

Each treatment tank 201, 202, 203 is provided with two pairs of feed rollers 207, 208, and bearing members 211 are attached to both ends of roller shafts 209, 210 of these feed rollers 207, 208, respectively. Then, each processing tank 201, 202,
Long grooves 212 for locking formed on both side walls of 203,
It is locked to 212.

In addition, gears 21 are provided near the bearing member 211 on one end side of the roller shafts 207 and 208, respectively.
3,213 is fixed, and the upper side feed roller 207
Each gear 213 is connected to both feed rollers 207, 208.
The drive shaft 214 meshes with a worm gear 215 of a drive shaft 214 that intersects with the developer tank 201.
and a bearing 21 fixed on one side of the washing tank 203
6,216 is rotatably supported.

The drive shaft 214 is driven by a motor 217, and a worm gear 215, gears 213, 21
3, feed rollers 207 and 208 are rotated.

[Problem that the invention attempts to solve]

If the drive shaft is placed below the feed roller, it will penetrate multiple partition walls in the processing liquid, so due to the need for measures against liquid leakage and durability issues, it is fixed above the feed roller as described above. When performing maintenance or replacement of the feed roller, the feed roller must be removed from the processing tank while avoiding the drive shaft, resulting in poor workability. During this process, the bearing of the feed roller on the drive shaft side, which is the lower part, sometimes fell off.

The present invention was developed against the background of the above circumstances, and an object of the present invention is to provide an automatic film developing device in which the drive shaft can be removed to improve workability such as maintenance and replacement of the feed roller.

[Means for solving problems]

In order to achieve the above-mentioned object, the present invention includes a tank main body having a plurality of processing tanks containing a processing liquid, and a plurality of pairs attached to the tank for continuously passing a photosensitive film through the processing liquid. a worm gear disposed above one shaft end of the upper roller of each pair of rollers in a direction intersecting the roller, and meshing with a gear provided at one shaft end of the upper roller. The automatic film developing apparatus includes a drive shaft, and the drive shaft is rotatably supported by a bearing member that is detachably attached to the tank body.

[Effect]

According to the above configuration, by removing the drive shaft, which is an obstacle to attaching and detaching the feed roller, it is possible to easily perform attachment and detachment work without tilting the feed roller.

〔Example〕

Hereinafter, each embodiment of the present invention will be described based on the drawings.

1 to 5 show a first embodiment of the present invention, in which a tank body 2 of an automatic film developing apparatus 1 is provided with a developing area 3 on the upper part for developing unprocessed film.

The upper part of the developing area 3 is covered with a hood 5 which is rotatably supported by a pin 4, and a drying area 6 is provided in the hood 5 for drying the film developed in the developing area 3. It is being

In the developing area 3, a developing tank 7, a fixing tank 8, and a washing tank 9 are separated from each other by partition walls 10, 10 from the left side in FIG. A carry-in hole 11 is formed for carrying in.

Above the partition walls 10, 10, guide plates 12, 12 for guiding the conveyance of the photosensitive film are arranged with their curved surfaces facing downward. Guide part 1 facing upward
3, 13, and 13 are provided, respectively.

Each processing tank 7, 8, 9 has a pair of feed rollers 1.
Two sets of rollers 4 and 15 are provided, and the rollers 1
Gears 16 and 17 are fixed to the vicinity of one side end of the roller shafts 14a and 15a, respectively, and sleeve-shaped bearings 18 and 19 are respectively attached to both shaft ends of the roller shafts 14a and 15a. Both the bearings 18 and 19 adjacent to each other on the same side are connected by a consecutive plate 20, and both the gears 16 and 17 are connected.
one side wall 2b of the tank body 2,
The feeding roller 14 is disposed in each of the processing tanks 7, 8, and 9 by engaging the upper side of the feeding roller 14 in a long groove 21 formed inside the processing tank.

The drying section 6 includes a pair of blowers 22, 22 that dry the photosensitive film that has been developed through the processing tanks 7, 8, and 9, and a plurality of blowers that transport the film to the discharge hole 5a of the hood 5. Feed roller 23
and the guide plate 2 disposed between the feed roller 23.
4, and above the feed rollers 14, 15 on the exit side of the washing tank 9, a guide plate 25 is arranged to guide the developed photosensitive film to the drying area 6.

Feed rollers 14 on the upper side of each of the processing tanks 7, 8, and 9
A drive shaft 26 that is orthogonal to the feed rollers 14 and 15 is horizontally disposed above the gear 16 fixed to the gear 16, and a plurality of worm gears 27 that mesh with the gears 16 are mounted on the drive shaft 26. It is fixed.

A gear 28 is fixed to one end of the drive shaft 26, and the gear 28 is connected to a motor 2 provided in the tank body 2.
The drive shaft 26 is rotated by the rotation of the motor 29, and the feed rollers 14 and 15 are rotated via the worm gear 27 and the gears 16 and 17. Ru.

One side wall 2b of the developer tank 7 and the washing tank 9 is provided with bearing support parts 33, 33 having a bearing mounting hole 31 and a stopper part 32 for locking the bearing, while the drive shaft 26 is provided with Bearing members 34, 34 are attached to the supporting parts 33, 33.

This bearing member 34 has an insertion part 35 inserted into the insertion hole 31 of the bearing support part 33, and a bearing part 36 that rotatably supports the drive shaft 26 on the upper part of the insertion part 35. An elastic locking piece 37 is extended from one side of the insertion portion 35.

A knob part 38 and a knob piece 39 are formed on the upper part of the elastic locking piece 37 and the bearing part 36, respectively, and the stopper part 3 is formed on the outer surface of the elastic locking piece 37.
A protruding locking portion 40 that engages with the locking portion 2 is provided in a protruding manner, and a tapered surface 41 is formed on the lower surface of the locking portion 40 .

The present embodiment is constructed as described above, and when assembling the drive shaft 26 to the tank body 2, the insertion portion 35 of the bearing member 34 attached to the drive shaft 26 is inserted into the bearing support portion 33. When inserted into the insertion hole 31, the elastic locking piece 37 is biased inward while the insertion hole 31 is inserted.
inserted into.

After the elastic locking piece 37 is assembled, it is pushed back by the elastic force, the locking portion 40 is securely locked to the stopper portion 32, and the drive shaft 26 is rotatably assembled to the tank body 2.

Further, when removing the drive shaft 26 from the tank body 2, the knob portion 38 of the bearing member 34 and the knob piece 39
When the elastic locking piece 37, the locking part 40, and the stopper part 32 of the insertion hole part 31 are disengaged and pulled upward, the bearing member 34 is removed from the bearing support part 33 and the drive is stopped. The shaft 26 can be removed.

Therefore, when performing maintenance or replacement of the feed rollers 14, 15, remove the drive shaft 26 located above from the tank body 2 as described above.
Since the feed rollers 14 and 15 can be easily attached and detached, work efficiency can be improved.

Next, a second embodiment shown in FIGS. 6 to 8 will be described.

In this embodiment, a bearing insertion hole portion 51 is formed in a bearing support portion 50 provided in a developing tank 7 and a washing tank 9.
A locking lever 53 having a knob portion 52 is rotatably supported by a support shaft 54 on the upper surface of the support portion 50 .

A bearing member 55 that rotatably supports the drive shaft 26
is the insertion part 5 inserted into the bearing insertion hole part 51.
A bearing part 57 is integrally provided on the upper part of the insertion part 56.
The upper surface of the bearing part 57 is a locking part 58.
is provided with a pair of knob pieces 59, 59.

When assembling the drive shaft 26 to the bearing support part 50, the locking lever 53 is positioned parallel to the drive shaft 26 as shown by the solid line in FIG. 6, and the bearing support part 50 of each bearing member 55 is inserted. It is inserted into the mounting hole 51, rotated 90 degrees to the position indicated by the chain line in FIG. 6, and the locking lever 53 is engaged with the locking portion 58 to be latched.

In addition, when removing the drive shaft 26, rotate the locking lever 53 to release the lock, and then
It can be easily removed by pinching 9 and 59 and pulling them up.

9 and 10 show a third embodiment of the present invention, in which the upper surface of the bearing support part 60 provided in the developing tank 7 and the washing tank 9 is formed in a step shape, and the upper surface 6
A locking lever 53 having a knob 52 on the tank body 2 is rotatably supported on a support shaft 54, and a groove 63 is provided on the upper surface 62 of the lower part. A locking protrusion 64 is provided in a protruding manner.

A bearing member 65 that rotatably supports the drive shaft 26
A bearing part 67 is integrally formed on the upper part of the seat plate 66, and one end thereof has an upward locking part 68 that engages with the protrusion 64, and the other end has a downward locking part 68 that engages with the groove 63. A locking portion 69 is provided respectively.

When assembling the drive shaft 26 to the bearing support member 60, the locking lever 53 is positioned parallel to the drive shaft 26 as shown by the chain line in FIG. is engaged with the locking protrusion 64 on one side wall 2b, and the locking portion 69 on the other end
is engaged with the groove 63, and the seat plate 66 is inserted into the bearing support part 6.
The locking lever 53 is rotated to the solid line position in FIG. 9 to engage the upper surface of the seat plate 66 of the bearing member 65, and the bearing member 65 is attached to the bearing support member. Assemble to 60.

In addition, when removing the drive shaft 26, the bearing member 6
The bearing member 65 can be easily removed from the bearing support member 60 by rotating the locking lever 53 that engages with the bearing member 5 to release the engagement state of the bearing member 65 and pull it up.

FIG. 11 shows a fourth embodiment, and the bearing support part 60 and locking lever 53 of this embodiment are similar to the third embodiment.
The structure is similar to that of the embodiment.

One side wall 2b of the tank body 2 is provided with an upper part protruding outward, and has an escape recess 70 formed inside the side wall 2b.
A support wall 71 is provided at.

A bearing member 72 that rotatably supports the drive shaft 26
A bearing part 74 is integrally formed on the upper part of the seat plate 73, a hinge 76 is provided at one end of the seat plate 73 and rotatably supported on the support wall 71 by a support shaft 75, and A downward locking portion 77 that engages with the groove 63 of the bearing support portion 60 is provided at the end.

When assembling the drive shaft 26 to the bearing support part 60, each bearing member 72 is rotated about the support shaft 75 so that the locking part 77 is engaged with the groove 63 of the bearing support part 60. The seat plate 73 is placed on the upper surface 62 of the lower part of the bearing support part 60, and the locking lever 53 is rotated to engage the upper surface of the seat plate 73 of the bearing member 72, so that the bearing member 72 is attached to the bearing support part 60. Assemble to.

In addition, when performing maintenance on the feed rollers 14 and 15, the locking lever 53 locking the bearing member 72 is rotated to release the engagement state, and the bearing member 72 is pivoted around the support shaft 75. The drive shaft 26 is rotated to avoid the escape recess 70.

FIG. 12 shows a fifth embodiment of the present invention, in which a stepped portion 81 is formed on the upper surface 80 of the front wall of the developer tank 7 to serve as a bearing support portion 82, and a knob portion 5 is formed on the upper surface 80.
A locking lever 53 having a locking lever 53 is rotatably supported on a support shaft 54 .

The drive shaft 26 is a bearing member whose shaft end on the washing tank 9 side is mounted on a bearing member 84 which is rotatably supported on the tank body 2 by a support shaft 83, and has a locking piece 85 on the shaft end on the developer tank 7 side. A gear 87 is fixed near the shaft end of the drive shaft 26 on the washing tank 9 side. It meshes with the gear 91 of the shaft 90.

When assembling the drive shaft 26 to the tank body 2, the drive shaft 26 is rotated about the support shaft 83 from the position indicated by the chain line in FIG. 12 to the position indicated by the solid line, and the bearing member 8
The locking piece 85 of No. 6 is placed on the stepped portion 81 of the bearing support portion 82 of the developer tank 7, and the worm gear 2 of the drive shaft 26 is
7 is engaged with the gear 16 of each upper feed roller 14, the locking lever 53 is rotated to engage the locking piece 85 of the bearing member 86, and the bearing member 86 is assembled to the bearing support portion 82. .

Also, when performing maintenance, use the hood 5.
After opening, the lock lever 53 that locks the bearing member 86 is rotated to release the engagement, and the drive shaft 26 is rotated from the solid line position to the chain line position in FIG. 12 about the support shaft 83. By doing so, the drive shaft 26 can be retracted from the upper part of the plurality of pairs of feed rollers 14 and 15.
4 and 15 can be attached and detached.

FIG. 13 shows a sixth embodiment of the present invention.
The drive shaft 26 is located near the shaft end on the washing tank 9 side.
It is divided into a first shaft 26a and a second shaft 26b, and both shafts 26a and 26b are rotatably connected by a support shaft 100.

The shaft end of the first shaft 26a is mounted on bearings 101, 101 fixed to the tank body 2, and a gear 87 that meshes with a gear 91 of a motor 89 is located near the shaft end.
A bearing member 86 is fixed to the shaft end of the second shaft 26b, and is secured to a bearing support portion 82 provided on the front wall of the developer tank 7 by a locking lever 53.

When assembling the drive shaft 26 to the tank body 2, the second shaft 26b of the drive shaft 26 is rotated about the support shaft 100 from the chain line position to the solid line position in FIG. The locking piece 85 is placed on the stepped portion 81 of the bearing member 82 of the developing tank 7, and the locking lever 53 is
is rotated to lock the locking piece 85 of the bearing member 86.

In addition, when performing maintenance on the feed rollers 14 and 15, the engagement between the locking lever 53 and the locking piece 85 is released, and the second shaft 26b of the drive shaft 26 is rotated. The second shaft 26b is retracted upward by rotating around the support shaft 100 to the solid line position in FIG. 13.

Next, a seventh embodiment shown in FIGS. 14 and 15 will be described.

The drive shaft 26 has a shaft end on the washing tank 9 side mounted on a bearing member 101 fixed to the tank body 2, and a shaft end on the developer tank 7 side mounted on a bearing member 102.
The bearing member 102 includes a locking portion 104, a locking portion 104,
104 is extended.

Bearing support portion 105 formed on the end wall of developer tank 7
A bearing holder 106 that removably locks the bearing member 102 is fixed to the upper surface, and the bearing member 102 is engaged with and detached from the bearing holder 106 by sliding movement of the drive shaft 26 in the axial direction. This bearing holder 106 includes a pair of press members 107, 107 that respectively lock the locking portions 104, 104 of the bearing member 102 on the upper surface of the bearing support portion 105.
It is fixed with screws 108, 108.

When assembling the drive shaft 26 to the tank body 2, a bearing member 102 is mounted on the shaft end of the drive shaft 26 on the developing tank 7 side, and the drive shaft 26 is moved from the left to the right in FIG. The shaft end on the washing tank 9 side is mounted on the bearing member 101, and the bearing member 102 is inserted and held in the bearing holder 106.

As a result, the gear 87 of the drive shaft 26 meshes with the gear 91 of the motor 89, and each worm gear 27 meshes with the gear 16 of the upper feed roller 14.

When performing maintenance on the feed rollers 14, 15, etc., slide the drive shaft 26 to the left to remove the bearing member 102 from the bearing holder 106, and also remove the shaft end of the drive shaft 26 on the washing tank 9 side. By pulling out the bearing member 101, the drive shaft 26 is removed from the tank body 2.

FIG. 16 shows an eighth embodiment of the present invention, in which a bearing member 111 is provided on a bracket 110 fixed downwardly on one side of the inner surface of the hood 5, and a bearing member 111 is provided on the inner surface of the hood 5 on the developer tank 7 side. A bearing member 112 is fixedly attached to the drive shaft 26, and both ends of the drive shaft 26 are mounted on the bearing members 111 and 112, respectively.

A gear 113 is fixed to the drive shaft 26 near the bracket 110, and the gear 113 is connected to an output shaft 115 of a motor 114 fixed to the bracket 110.
It meshes with a gear 116 fixed to the.

Therefore, when the hood 5 is rotated about the pin 4 and placed over the tank body 2, each worm gear 27 of the drive shaft 26 meshes with the gear 16 of the upper feed roller 14, and the hood 5 is opened. Then, the drive shaft 26 is retracted upward together with the hood 5.

FIG. 17 shows a ninth embodiment, in which the tank body 2
A hood 120 covering the upper surface of the tank body 2 is removably provided to the tank body 2, and the other parts are constructed in the same manner as in the eighth embodiment shown in FIG.

Therefore, by covering the drive shaft 26 with the hood 120, each worm gear 27 provided thereon meshes with the gear 16 of the upper feed roller 14, and by removing the hood 120, the drive shaft 26 is connected to the feed rollers 14, 15. It can be removed from the top.

In the present invention, as shown in the above embodiments, since the drive shaft 26 is removably installed above the feed rollers 14 and 15, maintenance and replacement of the feed rollers 14 and 15 can be easily performed, and workability is improved. You can improve your performance.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and can be modified without departing from the technical idea of the present invention.

[Effect of idea]

As explained above, the automatic film developing device of the present invention has a plurality of pairs of feed rollers disposed in each processing tank of the tank main body, which are meshed with a gear provided on one shaft end of the feed rollers. Since the drive shaft with a worm gear is rotatably supported by a bearing member that is removably attached to the tank body, it is possible to tilt the feed roller by removing the drive shaft, which is an obstacle when performing maintenance or replacement of the feed roller. Since this is no longer necessary, the bearing attached to the end of the feed roller shaft can be attached and detached without falling off, improving work efficiency.

[Brief explanation of the drawing]

1 to 5 show a first embodiment of the present invention, in which FIG. 1 is a partially sectional front view of an automatic film developing device, FIG. 2 is a partially plan view of the processing tank main body of the device, and FIG. 3 is a cross-sectional side view of the bearing device, FIG. 4 is a perspective view of the bearing member, FIG. 5 is a side view showing the meshing state of the worm gear of the drive shaft and the gear of the feed roller, and FIGS. 6 to 8 are 6 shows a partial plan view of the processing tank main body, FIG. 7 shows a cross-sectional side view of the bearing device, FIG. 8 shows a perspective view of the bearing device, and FIGS. 9 and 10 show the third embodiment. 9 is a partial plan view of the processing tank main body, FIG. 10 is a cross-sectional side view of the bearing device, FIG. 11 is a cross-sectional plan view of the bearing device showing the fourth embodiment, and FIG. 12 is a partial plan view of the processing tank main body. FIG. 13 is a cross-sectional front view of the main parts of the automatic film developing device showing the fifth embodiment.
FIGS. 14 and 15 are cross-sectional front views of essential parts of an automatic film developing device showing a seventh embodiment, FIG. 14 is a cross-sectional front view of essential parts of an automatic film developing device, and FIG. is a sectional view taken along line A-A in Fig. 14,
FIG. 16 is a cross-sectional front view of the main parts of an automatic film developing device showing the eighth embodiment, and FIG. 17 is a cross-sectional front view of the main parts of the automatic film developing device showing the ninth embodiment.
18 to 20 show a conventional example, in which FIG. 18 is a sectional front view of a main part of an automatic film developing device, FIG. 19 is a partial plan view, and FIG. 20 is a sectional side view. 1... Film automatic developing device, 2... Tank body,
3...Developing area, 5...Hood, 6...Drying area, 7...Developing tank, 8...Fixing tank, 9...Washing tank, 14, 15...Feed roller, 14a, 15a
...Roller shaft, 16 ... Gear of feed roller 14,
17... Gear of feed roller 15, 18, 19...
Bearing, 26... Drive shaft, 27... Worm gear,
28...Gear of drive shaft 26, 31...Bearing mounting hole, 33...Bearing support part, 34...Bearing member, 3
5... Insertion part, 36... Bearing part, 37... Elastic locking piece, 40... Locking part.

Claims (1)

[Claims for Utility Model Registration] 1. A tank body having a plurality of processing tanks containing processing liquid, and a plurality of pairs of rollers attached to the tanks for continuously passing a photosensitive film through the processing liquid. and a drive shaft having a worm gear disposed above one shaft end of the upper roller of each pair of rollers in a direction intersecting the roller and meshing with a gear provided at one shaft end of the upper roller. 1. An automatic film developing apparatus comprising: a drive shaft rotatably supported by a bearing member detachably attached to the tank body; 2. The bearing member includes an insertion portion that is inserted into a mounting hole provided in a bearing support portion of the tank body, a bearing portion that is integrally provided on the upper part of the insertion portion, and a It has an elastic locking piece integrally provided on one side, and a locking portion integrally provided with the elastic locking piece that is resiliently locked to a stopper portion of the insertion hole. An automatic film developing apparatus according to claim 1, which is characterized in that: 3. The bearing member includes an insertion part that is inserted into an insertion hole provided in a bearing support part of the tank body, a bearing part that is integrally provided on the upper part of the insertion part, and the bearing support part. 2. The automatic film developing apparatus according to claim 1, further comprising a locking lever that is movably supported by a shaft and a locking portion that engages with the locking lever. 4. The bearing member includes a bearing portion integrally provided on the seat plate, a locking portion integrally provided at one end of the seat plate that is engaged with a side wall of the tank body, and a bearing support portion of the tank body. and a locking portion integrally provided at the other end of the seat plate that engages with a locking lever movably supported by a shaft. Claim 1 of the Utility Model Registration Claim automatic film developing device. 5. The bearing member includes a bearing portion integrally provided on the seat plate, and a hinge portion integrally provided on the seat plate rotatably supported on a side wall of the tank body.
A request for registration of a utility model characterized in that the utility model has a locking portion integrally provided at the other end of the seat plate that engages with a locking lever movably supported on a bearing support portion of the tank body. The automatic film developing device according to item 1. 6. The drive shaft is a bearing member that has one end rotatably supported by a bearing member on the tank body and the other end of which is locked by a locking lever that is movably supported on a bearing support portion of the tank body. An automatic film developing device according to claim 1, wherein the automatic film developing device is supported by the following claims. 7. The drive shaft is supported at one end by a bearing member fixed to the tank body and at the other end by a bearing member locked by a locking lever movably supported by a bearing support part of the tank body, and the drive shaft is
The automatic film developing device according to claim 1, wherein one end of the developing device is bendably connected by a pin. 8. The drive shaft is supported at one end by a bearing member fixed to the tank body and at the other end by a bearing member provided in a bearing support portion of the tank body so as to be slidable in the axial direction of the drive shaft. An automatic film developing apparatus according to claim 1, which is characterized by: 9. The automatic film developing apparatus according to claim 1, wherein the drive shaft is supported by a bearing member fixed to a hood removably attached to the tank body. 10. The automatic film developing apparatus according to claim 1, wherein the drive shaft is supported by a bearing member fixed to a hood rotatably provided on the tank body.