JPH0351850A - Film feeder - Google Patents

Abstract

PURPOSE:To almost consecutively set a large number of negative films to the working stages of printing, exposure, etc., and to improve efficiency by using magazine carriers where magazines housing films in the shape of a roll are arranged in a circumferential direction in a prescribed pitch. CONSTITUTION:The magazine 15 actually housing the film is arranged and held on a film supply-side magazine carrier 16 in the circumferential direction, an empty magazine is held on a film recovery-side magazine carrier 20 in the same way. The magazine carriers 16 and 20 intermittently rotate, and the magazines 15 are set to a film pull-out position and housing position in order. Then, the film 18 pulled out from the actually housing magazine 15 by a film pull-out means 19 is carried to a film carrier 12. After the film 18 is printed, exposed, subjected to negative inspection etc., it is housed in the empty magazine which is set to the housing position. Thus, a film is prevented from being soiled, flawed, etc., and moreover, print processing is efficiently carried out.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a film feeding device, and in particular, a film feeding device for feeding developed film to a film carrier such as a printer or a negative tester. Regarding.

[Conventional technology]

At the mini lab shop, negative films entrusted to us by customers are developed in a negative developing machine, and each developed negative film is loaded into a printer one by one. Also,
After printing, set the negative film in the cutter and
The image is cut into a predetermined number of frames and automatically inserted into a negative bag.

[Problem to be solved by the invention]

However, when setting the negative developing machine to the printer,
Since the setting from the printer to the negative cutter is done manually one by one, there is a problem that the entire process takes a long time and it is not possible to carry out efficient print processing.

Furthermore, since the developed film is manually set in a printer or the like, there is a problem in that the negative film is easily contaminated with dirt, scratches, dust, etc.

The present invention is intended to solve the above-mentioned problems, and an object of the present invention is to provide a film feeding device that prevents dirt, scratches, etc. from being deposited on the film, and also enables efficient printing processing. do.

[Means to solve the problem]

In order to achieve the above object, the present invention provides a magazine that stores films in rolls so that they can be freely drawn out, a magazine carrier that holds a large number of magazines lined up in the circumferential direction, and a magazine carrier that rotates by one magazine. a setting means for sequentially setting each magazine at a film pull-out position; a film pull-out means for pulling out films from the magazines set at the pull-out position; a transport path for transporting the pulled-out film; and a work provided in the transport path. A stage, a magazine carrier for holding a large number of empty magazines lined up in the circumferential direction, a means for rotating the magazine carrier by one magazine length and sequentially setting the empty magazines in the film storage position, and a means for sequentially setting the empty magazines in the film storage position. The camera is provided with a film storage means for storing the film into a magazine.

[Effect]

The developed negative film is stored in a roll in a magazine. These magazines containing film (hereinafter referred to as actual magazines) are held side by side in the circumferential direction on a magazine carrier on the film supply side. Further, an empty magazine is similarly held in a magazine carrier on the film recovery side. The magazine carrier is rotated intermittently, so that the real magazine and the empty magazine are set in the film drawer position and the film storage position, respectively. and,
Here, the film is pulled out from the actual magazine by the film pulling means. As a result, the film is transferred to a film carrier, where operations such as printing exposure and negative inspection are performed. Thereafter, the film is stored in an empty magazine set in the storage position. After the first grain of film is finished, each magazine carrier rotates intermittently, and the next real magazine and empty magazine are set in the film drawer position and storage position, respectively, and the next film is worked in the same way. will be held.

〔Example〕

Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a plan view showing a film feeding device that transports negative film in order to set each screen of negative film at an exposure position of a printer. An opening 11 is formed in the center of a workbench 10 of this film feeding device. A film carrier 12 is set in this opening 11. Further, a light source section of the printer is arranged below the opening 11, and a printing exposure section (both not shown) is arranged above the opening 11.

On the workbench 10 on the film entrance side of the film carrier 12, there is a magazine carrier 16 for supplying film in which a number of real magazines 15 are arranged side by side in the circumferential direction;
A magazine setting means 17 for setting each magazine 15 of the magazine carrier 16 at a film pull-out position, and a film pull-out means 19 for pulling out a negative film 18 from the actual magazine 15 set at the pull-out position are provided. Further, on the workbench 10 on the film exit side of the film carrier 12, there is also a film recovery side magazine carrier 20 configured similarly to the supply side magazine carrier 16, and an empty magazine 15A of this recovery side magazine carrier 20. A magazine setting means 22 for setting the film in the storage position and a film storage means 21 for feeding the negative film 18 into the empty magazine 15A set in the film storage position are arranged.

As shown in FIG. 2, the magazine 15 is constructed by a pair of rectangular side plates 25 and 26, and a cover plate 27 that connects the side plates 25 and 26 with a distance corresponding to the storage space of the negative film 17. It is structured into a type. Each side plate 25.
A spiral guide groove 28 is formed on the inner surface of the groove 26 . The diameter of the helical guide groove 28 is made larger than the diameter of the batronet loaded into the camera, so that the negative film 17 can be easily inserted without resistance. The entrance portion 28A of this spiral guide groove 28 is formed in a straight line, and the tip is formed in a tapered shape to facilitate insertion of the leading end of the film. And magazine 1
The film is housed in such a way that the film ends such as the front end or rear end of the film protrude from the outer surface of the film by about 20 mm.

As shown in FIGS. 3 and 4, the supply side magazine carrier 16 is made of a disk, and the magazine 15 is attached to the outer periphery of the disk.
are fixed at a predetermined pitch using screws, etc. As shown in FIG. 5, since the magazine 15 is attached to the magazine carrier 16 on the film entrance/exit side, a notch 29 is formed on the outer periphery of the disc facing the film entrance/exit.
is formed. Note that the magazine 15 can be detachably attached to the magazine carrier 16 by forming a locking portion on the magazine 15 and providing a claw on the magazine carrier 16 that locks the locking portion.

A fitting part 31 having a hexagonal hole 30 is provided in the center of the magazine carrier 16 . This fitting part 31 has
Magazine setting means 17 is removably fitted. The magazine setting means 17 includes a rotating shaft 34 having a hexagonal rod-shaped tip, a motor 35 for rotating the rotating shaft 34, and a regulating portion 36 for regulating the rotation of the rotating shaft 34 for one magazine. It is configured. The regulating portion 36 includes a windmill 37 fixed to the rotating shaft 34, a claw 38 that engages the windmill 37,
A solenoid 40 is provided to release the lock of the pawl 38. The claw 38 is biased by a coil spring 41 so as to always engage the windmill 37.

The number of teeth of the windmill 37 is the same as the number of magazines attached to the magazine carrier 16. Therefore, solenoid 4
0 is turned on to release the lock of the windmill 37, and during this time the motor 35 is rotated to rotate the magazine carrier 16 by one tooth of the windmill 37, thereby making it possible to sequentially set the magazines 15 at the film draw-out position. can.

The film pulling means 19 is constructed as shown in FIG. As mentioned above, since the film leading end 18A protrudes from the outer surface of the real magazine I5, when the magazine carrier 16 rotates and the real magazine 15 is set in the drawn-out position, the film leading end 18A will not move as it is.
cannot be nipped by the pull-out roller pair 45.

Therefore, when setting the actual magazine 15 to the pull-out position, the upper roller 46 of the pull-out roller pair 45 is moved to the arm 47.
I try to lift it upwards.

A swing solenoid 48 is attached to the arm 47, and when the swing solenoid 48 is turned on, the arm 47 is lifted upward. Further, when the switch is OFF, the arm 47 is urged downward, and the upper roller 46 is pressed against the lower roller 49. The lower roller 49 is rotated by a motor 50 via a timing belt 50A.

As a result, the negative film 18 is pulled out from the magazine 15 and transferred to the film carrier 12. At this time,
The screen position is detected by a screen detection sensor (not shown) on the film carrier 12, and each screen is sequentially set to the exposure position based on this. And this much! Printing exposure is performed. In addition to setting the screens using the screen detection sensor, each screen can also be set by detecting a notch provided in advance corresponding to each screen of the negative film 18, as is well known. Furthermore, instead of automatic frame advance, each screen can be set at the exposure position while operating the frame advance key. During frame feeding, the pair of pull-out rollers 45 and the pair of film feeding rollers 56, which will be described later, also rotate in synchronization with the frame feeding of the film carrier 12.

The film storage means 21 includes a film guide 55;
A pair of film feed rollers 56 are provided on the rear end side of the guide 55. The lower roller 57 of the feed roller pair 56 is rotated by a motor 58 via a timing belt 58A. Further, a film edge sensor 59 for detecting the film edge 18A is arranged in the film guide 55, and this output signal drives the motor 58.
rotation is controlled. That is, the motor 58 is rotated by a signal that detects the leading edge of the negative film 18, thereby feeding the negative film 18 into the empty magazine 15A, and the motor 58 is rotated by a predetermined amount by a film end signal from the film end sensor 59. Stop after. As a result, storage of the negative film 18 is completed with the end of the film remaining slightly protruding from the magazine 15.

Magazine carrier 2 where empty magazine 15A is set
0 and its magazine setting means 22 are constructed similarly to the magazine carrier 16 and magazine setting means 17 of the actual magazine 15, and the explanation thereof will be omitted.

When the printing exposure of one roll of negative film 18 is completed on the film carrier 12, a film end signal from the film end sensor 59 causes the negative film 18 to leave a small end of the film in the empty magazine 15A set in the storage position. Each magazine carrier 1
6.20 is rotated by l steps by the magazine setting means 17.22, and the transferred magazines 15A, 15 are discharged from each position, and the next magazine 15.15A is set at each position. The following is a negative film 18
In the same manner as above, the next printing exposure of the negative film 18 is performed.

Once the printing exposure has been completed for all the real magazines 15 of the magazine carrier 16, remove the transferred magazine carrier 16.20 from the rotating shaft 34 of the magazine setting means 17.22, and attach the new magazine carrier 16 to this shaft 34. Set .20. In addition, the empty magazine 1
A new developed negative film 18 is stored in the magazine carrier 16 having a capacity of 5A by a film storage device (not shown) having the same structure as the film storage means 21 and the magazine setting means 22.

Further, the magazine carrier 20 containing the printed and exposed negative film 18 is set in a film cutter, cut into short pieces having a predetermined number of frames, and inserted into a negative bag. This film cutter also includes a magazine setting means and a film drawing means similar to those of this embodiment.

In the above embodiment, the magazine carriers 16.20 to which the magazines 15 are fixed are used, and these magazine carriers 16.20 are detachably attached to the magazine setting means 17.22. It may also be detachably attached to the magazine carrier. In this case, the magazine carrier may be permanently fixed to the rotating wheel of the magazine setting means.

Further, in the above embodiment, the magazine 15 having the spiral guide groove 28 was used, but instead of this, a magazine 71 having a simply arcuate film guide surface 70 as shown in FIG. It can also be used.

Furthermore, as shown in FIG. 7, a magazine 75 in which a reel 74 is rotatably provided in a film storage section 73 is used, and this is attached to a magazine carrier 76, so that when the magazine 75 is set at the film storage position, This magazine 75
It is also possible to wind and store the film 18 on the reel 74 by rotating the reel 74 from the outside. In this case, a rubber roller 77 is provided at the shaft end of the reel 74, and a reel rotating roller 78 is brought into contact with this rubber roller 77. The reel rotating roller 78 is rotated by a motor and is attached to an arm 79. The arm 79 is mounted to rotate around a shaft 80.

Then, the reel rotation roller 78 is pressed against the rubber roller 77 by the coil spring 81. Further, by forming a tapered film tip locking groove 76 for locking the film tip in the reel 74, the film tip can be reliably wound onto the reel 74.

Further, in the above embodiment, the magazine carrier 16.
20 is of the type that rotates in a vertical plane to reduce the installation space, but it may also be a turntable that rotates in a horizontal plane.

〔Effect of the invention〕

As explained above, according to the present invention, a magazine carrier in which magazines for storing film in roll form are arranged at a predetermined pitch in the circumferential direction is used, so that a large number of negative films can be printed and exposed almost continuously. It can be set on a work stage of 4 degrees. Moreover, since the film can be fed automatically, efficiency can be improved.

Furthermore, since the film is fed through the magazine, the film is not exposed and can be prevented from being scratched or stained.

[Brief explanation of drawings]

FIG. 1 is a plan view showing an embodiment of a film feeding device according to the present invention. FIG. 2 is a perspective view showing a magazine used in the same embodiment. FIG. 3 is a front view showing the magazine carrier and magazine setting means. FIG. 4 is a side view of the same. FIG. 5 is a sectional view taken along the line V--■ in FIG. 1, showing the film drawer means and the film storage means. FIG. 6 is a sectional view showing a magazine used in another embodiment. FIG. 7 is a side view showing a magazine used in another embodiment. 10...Workbench 15.15A, 71.75...Magazine 16.20.
76...Magazine carrier 17.22...Magazine setting means 18...Negative film 19...Film drawer means 21...Film storage means. Figure 7

Claims (1)

[Claims] (1) A magazine that stores film in a roll so that it can be freely drawn out, a magazine carrier that holds a large number of magazines lined up in the circumferential direction, and a magazine carrier that rotates by one magazine length to sequentially move each magazine to the film drawer position. a film pulling means for pulling out a film from a magazine set at a pulling position; a transport path for transporting the pulled-out film; a work stage provided in the transport path; The camera is equipped with a magazine carrier for holding a large number of magazines side by side, a means for rotating the magazine carrier by one magazine and sequentially setting the film in the film storage position, and a film storage means for storing the film in the magazine set in the storage position. A film feeding device characterized by: