JP2500682Y2 - Film path switching device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is a film path switching device, and more specifically, it takes out and conveys sheet films one by one from a supply magazine that stores unphotographed sheet films. The present invention relates to a film path switching device in a device for sending an image through a path to a shooting position, shooting an image, and sending and storing a shot film into a storage magazine through a transport path for storage.

[Conventional technology]

Conventionally, an image displayed on a display device such as a monitor TV is divided and exposed on a photosensitive sheet film,
A sheet film feeding device used in a device for photographing a plurality of images on a single film is known, and as such a device, as disclosed in JP-A-61-90928, In FIG. 1, a magazine 22 accommodating a film 14 is attached to the uppermost part of the machine base 10 with a slight inclination from the vertical state, and a suction cup 36 adsorbs the film 14 toward the roller 38 by the operation of a drive device 34, And it is stocked in the tray 42.

Then, when exposure of the film is completed by the film transport device 16 below the film, the film is stored in the storage device 20 below the film.

[Problems to be solved]

In the conventional embodiment disclosed in the above-mentioned Japanese Patent Laid-Open No. 61-90928, the film supply unit 12 and the film transport device are used.
16, the storage device 20 and the like are arranged vertically, and the film supply unit and the storage device are separated from each other at the top and bottom,
It has a drawback that it is difficult to handle and it is difficult to downsize the device.

The present invention has been made to eliminate the above-mentioned conventional drawbacks, and an object thereof is to provide a compact film passage switching device which is easy to handle and has a compact structure and arrangement. Is.

[Means for solving problems]

In order to achieve the above-mentioned object, in the present invention, a sheet magazine that has been photographed is taken out after the sheet films are taken out one by one from a supply magazine that stores unphotographed sheet films and sent to a photographing position. In the apparatus for feeding the sheet into the sheet feeding device, first, second, and third guide plates for guiding the sheet film taken out from the supply magazine to the photographing position are provided, and a film feeding roller is provided on the first guide plate. The first guide means, the second guide plate, first and second sensors for detecting the passage of the sheet film in the vicinity of the sheet film receiving port and the discharging port of the guide plate, and Second with a roller for feeding the film near the sheet film outlet
The third feeding means, which is a film feeding roller adjacent to the sheet film discharge port side of the third guide plate, and the third feeding means for detecting passage of the sheet film. A sensor is provided, and a guide plate moving mechanism that moves the third guide plate from the normal position to the retracted position is provided, and the sheet film is guided to the storage magazine from the switching portion between the second and third guide plates. And a fourth feeding unit including a fourth feeding plate and a film feeding roller adjacent to the first guiding plate, and the first feeding unit according to the detection signals of the first, second and third sensors. The sheet films taken out from the supply magazine are sequentially controlled by the first, second, third, and fourth feeding means and the guide plate moving mechanism to sequentially control the first guide plate, the first sensor, and the second guide. Go through the board The rear end is sent to the direction change position where it is detected by the second sensor, and from the direction change position it is sent to the shooting position through the third guide plate and the third sensor in the normal position, and the shooting position is set. After that, after passing through the third sensor and the third guide plate and returned to the direction changing position, and further moving the third guide plate to the retracted position,
A configuration is adopted in which the sheet film is sent from the direction changing position to the storage magazine through the switching unit and the fourth guide plate.

[Operation] According to the above configuration, after the sheet film is sent from the direction changing position to the photographing position and photographed, the sheet film is returned to the direction changing position, and the third guide plate is moved to the retracted position.
The film can be fed from the turning position to the storage magazine by switching the path for feeding the film from the turning position. By changing the feeding direction of the film at the direction changing position and switching the film passage, the film can be fed back from the photographing position to a position near the supply magazine, and the supply magazine and the storage magazine can be arranged close to each other.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

FIG. 1 is a block diagram showing the main part of the apparatus according to the present invention, and FIG. 2 is an enlarged view of the film path switching section in FIG.

In the figure, reference numeral 1 indicates a sheet film F.
In a supply magazine that contains a lot of unphotographed films, that is, unphotographed films, with the photosensitive surface facing down
It is in a state in which the supply magazine receiving portion provided on the relatively upper side of the apparatus main body is loaded almost horizontally and the lid of the film take-out portion is opened.

The film supply mechanism 2 is composed of a link mechanism in which a suction pad 3 is attached to the tip of the arm portion, and the suction surface of the suction pad 3 is the uppermost surface of the film F accommodated in the supply magazine 1 by a driving device (not shown). Is sucked, and the leading end of the film F is inserted along the arrow A between the pair of rollers 4a and 4b facing each other. Behind the rollers 4a, 4b are first guide plates 5a, 5b for guiding and guiding the sheet film F passing through the rollers.
However, the roller 4 is arranged with a gap kept against the film F so that the film F can pass through without difficulty.
Rollers 6a and 6b are rotatably provided so as to face the other ends of the guide plates 5a and 5b, which are opposed to a and 4b, which are bent in the descending direction, and a belt 7b driven by a motor 7a is a roller.
It is configured to be rotated by being driven by a motor 7a by being applied to 4a and 6a.

When the rollers 4a and 6a rotate, the rollers 4b and 6b facing each other are elastically pressed against each other with the film F interposed therebetween so that the rollers 4b and 6b can rotate due to friction.

The shaft of the motor 7a and the rollers 4a and 6a can rotate clockwise in the figure, in which case the rollers 4b and 6b rotate counterclockwise.

These rollers 4a, 4b, 6a, 6b, motor 7a, belt
The 7b constitutes the first feeding means.

The second guide plates 8a, 8b facing the lower side of the rollers 6a, 6b
However, like the first guide plates 5a and 5b, they are arranged in a downward direction while maintaining a gap with respect to the film F, and a detection signal when the sheet film F passes near the receiving port. The 1st sensor 9 which generates is installed.

The rollers 10a and 10b are installed to face each other at a position closer to and below the discharge side 8c of the second guide plate 8b (the other end on the lower side in the figure) so as to face the discharge side of the second guide plate. The film F descending from the side 8c is elastically pressed into contact with the motor 14a by a control device (not shown) in the descending direction of arrow B, or in the direction C opposite to the direction B as described later. The belt 14b can be driven and rotated.

The lower end of the guide plate 8a facing the guide plate 8b is bent at an acute angle slightly above the discharge side 8c to form a switching portion 8d. In addition, the tip of the third guide plate 12 having a gentle upward curve is provided with a gap between the discharge side 8c and the film F that allows the film F to pass through without difficulty even if the film F comes into contact with the third side. The guide plate 12 is installed in a substantially horizontal direction close to the rollers 13a and 13b constituting the feeding means, and the guide plate 12 is shown by a broken line in FIG. It is configured to be controlled by a controller and a moving mechanism (not shown) so as to be retracted to the retracted position 12 'shown.

In the adjacent position just beside the rollers 10a, 10b,
A second sensor 11 is installed which generates a detection signal when the film F passes near it. Further, adjacent to the rollers 13a and 13b provided at the other end of the third guide plate 12, a third sensor 15 for detecting passage of the film F, a film holding frame 16 for holding the film F at the time of photographing, and Rollers 17a and 17b and a guide plate 18 are arranged in line at the tip of the rollers, and when the film F is conveyed to the position of the holding frame 16, the rollers 13a and 13b and the photographing surface of the holding frame 16 are brought together. Serve as a guide to.

The lower surface in the drawing of the film holding frame 16 is the surface on which the image projected on the monitor TV 22 is projected by the lens L, and when the film F is in close contact with that surface, the surface on the lens L side. It is pre-adjusted to focus on the photosensitive surface.

Further, the holding frame 16 is composed of a plurality of independent negative pressure chambers, and from a plurality of small holes provided on the side in contact with each film F,
The negative pressure generating device (not shown) acts so that the film F can be sucked and brought into close contact with the surface thereof.

In the guide plate switching unit 8d described above, the third guide plate 12 is
When retracted to the retracted position 12 ', the rollers 10a,
By the reverse rotation of 10b (the film F is fed in the direction opposite to the arrow B.), the leading edge of the film F comes into contact in a natural state, and the leading edge of the film conveyed by the rollers 10a and 10b is moved in the direction of the arrow D. It is pre-adjusted and fixed together with the adjustment of the direction.

When the film F is conveyed in the direction of the arrow D, the guide plates 19a and 19b having the receiving port at the position guided by the guide plate switching unit 8d, and then the guide plates with the rollers 20a and 20b interposed therebetween.
19c and 19d, and rollers 21a and 20b at their tips are arranged and arranged so that when the film F is fed, it can be conveyed to the opening (direction of arrow E) of the storage magazine 23.

The guide plates 19a, 19b, 19c and 19d constitute a fourth guide plate.

The rollers 20a, 20b, 21a, 21b constitute a fourth feeding means.

The rollers 10a, 13a, 17a, 20a, 21a are simultaneously rotationally driven in the forward direction or the reverse direction by the belt 14b wound on the motor 14a.

Next, the operation of the device of the present invention thus constructed will be described.

One of the uppermost sheets of the sheet film F stored in the supply magazine 1 is adsorbed to the adsorption pad 3 by the operation of the film supply mechanism 2, and is conveyed along the arrow A with its photosensitive surface facing downward. Insert the tip between rollers 4a and 4b. Rollers 4a, 4 rotated by rotation of motor 7a
b and 6a, 6b convey the film F in the conveying path regulated by the guide plates 5a, 5b toward the second guide plates 8a, 8b. The rear edge of the film F passes through the first sensor 9,
Further, the rollers 10a and 10b move in the direction of arrow B,
The tip of the third guide plate 12 and the discharge side 8c of the second guide plate 8b
With the elasticity of the film F, the gap between
When the second sensor 11 detects the trailing edge of the film F, the second sensor 11 conveys the film F while bending it so as to match the direction.
The motor 14a reversely rotates, so that the rollers 10a and 10b also start reverse rotation, and the rear end of the film F comes first and the film F
In the natural state of self-confidence, the tip touches the guide plate 12, and as it is sent out by the rollers 10a, 10b, it bends and advances in the direction of the arrow C, passes through the rollers 13a, 13b, and passes through the third sensor 1
When the leading edge of the film F reaches the position of 5, the motor 14a stops once, that is, the film F stops, and from this position, the CPU incorporated in the control circuit (not shown).
The film F is advanced to a predetermined exposure position stored in advance, the film is adsorbed to the film holding frame 16, the image of the monitor TV 22 is photographed, and a plurality of divided photographs are taken on the film surface. To expose. Divided shooting in the film advancing direction is performed by moving the film in the film advancing direction by the rollers 13a etc. according to the instruction of the control circuit, but the divided shooting in the direction orthogonal to it (the direction perpendicular to the paper surface of the figure) is not shown This is done by the monitor television 22 and the lens L moved by the device.
That is, an arbitrary divided image can be obtained by a combination of the film advancing direction and each movement of the monitor TV 22 or the like.

When the predetermined divided shooting is completed, the rotation direction of the motor 14a is switched, and thus the rollers 10a, 13a, 17a, 20a, 21a
Is reversed, the film F returns to the rollers 10a and 10b, moves in the direction of arrow B, and when the rear end of the film F reaches the sensor 11, the motor 14a stops, and the guide plate 12 is broken by the control circuit (not shown). Retreat to position 12 '.

Next, the motor 14a starts reversing, and the rollers 10a and 10b move the film F along the arrow D to guide the guide plates 19a and 19b.
Guided by b, 19c, 19d and rollers 20a, 20b, 21a, 21b, etc., it advances in the direction of arrow E and is stored in the storage magazine 23.

When it is detected in at least one of the first to third sensors 9, 11, 15 that there is no film in the forward direction of the film in the transporting process of the film F, the film supply mechanism 2 is activated, the next film is sucked by the suction pad, and is controlled to be fed to the rollers 4a and 4b.

Therefore, unless the film is jammed for some reason in the middle of the film transport path, the next film is fed before the film enters the storage magazine.

[Effect of device]

As described above, according to the present invention, the first to third guide plates for guiding the sheet film from the supply magazine to the photographing position, and the switching portion between the second and third guide plates to the storage magazine are guided. A fourth guide plate, first to fourth feeding means including a film feeding roller, first to third sensors for detecting passage of a sheet film, and a third guide plate as usual. A guide plate moving mechanism that moves from the position to the retracted position is provided, and the sheet film taken out from the supply magazine sequentially passes through the first guide plate, the first sensor, and the second guide plate, and the rear end thereof is moved to the first position. It is sent to the direction change position detected by the second sensor, passes through the third guide plate and the third sensor in the normal position from the direction change position, and is sent to the photographing position. Through the sensor and the third guide plate It is returned to the turning position and further a third after the guide plate is moved to the retracted position, the switching unit and the fourth sheet film from the direction change position
Since it adopts a structure that allows it to be sent to the storage magazine after passing through the guide plate of, it is possible to automatically and reliably switch the path for sending the sheet film with a simple film transport path configuration. Since the supply magazine and the storage magazine are arranged close to each other, the handling operation can be facilitated and the device can be downsized.

[Brief description of drawings]

FIG. 1 is a side view showing the structure of a film path switching device according to the present invention, and FIG. 2 is a partially enlarged explanatory schematic view of the film path switching portion in FIG. 1 …… Supply magazine 2 …… Film supply mechanism 4a, 4b …… Roller 5a, 5b …… Guide plate 8a, 8b …… Guide plate 10a, 10b …… Roller 9,11,15 …… Sensor 12 …… Guide plate , 12 '…… Retracted position 16 …… Film holding frame 23 …… Storage magazine

Claims (1)

(57) [Scope of utility model registration request] Claim: What is claimed is: 1. An apparatus for picking up sheet films one by one from a supply magazine for accommodating unphotographed sheet films, sending them to a photographing position, taking an image, and then sending the photographed sheet films to the accommodating magazine. First feeding means provided with first, second, and third guide plates for guiding the sheet film taken out to the photographing position, and the first guide plate having a film feeding roller. The second guide plate has first and second sensors for detecting passage of the sheet film in proximity to the sheet film receiving port and the discharging port of the guide plate, and in proximity to the sheet film discharging port. The second feeding means having a film feeding roller is provided, and the third guide plate is provided with a film feeding roller adjacent to the sheet film discharge port side of the guide plate. And a third sensor for detecting the passage of the sheet film, and a guide plate moving mechanism for moving the third guide plate from the normal position to the retracted position. A fourth guide plate for guiding the sheet film from the switching portion between the second and third guide plates to the storage magazine, and a fourth feeding means including a film feeding roller adjacent to the guide plate are provided. The first, second, third, and fourth feeding means and the guide plate moving mechanism are controlled according to the detection signals of the first, second, and third sensors, so that they are taken out from the supply magazine. The sheet film sequentially passes through the first guide plate, the first sensor, and the second guide plate, and is fed to the direction changing position where the rear end is detected by the second sensor. Third in position It is sent to the shooting position through the id plate and the third sensor, and after shooting, it is returned to the turning position after passing through the third sensor and the third guide plate, and the third guide plate is retracted. After being moved to the position, the sheet film moves from the direction changing position to the switching unit and the fourth unit.
The film path switching device is characterized in that the film path switching device is fed to the storage magazine through the guide plate.