JP2669259B2 - Film feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film supply device for supplying an undeveloped film to a developing section of an automatic film developing machine.

[0002]

2. Description of the Related Art In general, when an undeveloped film is developed by an automatic film developing machine, as shown in FIG.
To feed the film F to the developing section ahead of the reader L.

Here, the leader L is made of a synthetic resin sheet and has flexibility.
Are formed at equal intervals. The leader L is conveyed in the longitudinal direction by the engagement of the sprocket incorporated in the developing section and the square hole H.

As an automatic film developing machine for developing the film F, a plurality of readers L shown in FIG. 7 to which the film F is connected are set in a magazine, and the readers L in the magazine are sequentially sent to a developing unit to develop the film. The processing is conventionally known (see JP-A-63-23155).

[0005] Incidentally, in the above-mentioned automatic film developing machine, there is a problem that the processing capacity is low due to the batch processing in which a plurality of films are regarded as one unit.

In order to solve the problem, the present applicant has already proposed an automatic film developing machine capable of continuously processing a large number of films (Japanese Patent Application Laid-Open No. Hei 3 (1991) -1991).
216990).

FIGS. 1 to 3 schematically show a film supply device of an automatic film developing machine which has been already proposed by the present applicant. This film supply device is a film insertion box 1
A film supply chamber 2 and a film setting chamber 3 are provided inside the film supply chamber, and an input port 5 opened and closed by a lid 4 is formed on the top plate of the film supply chamber 2, and is inserted into the film supply chamber 2 from the input port 5. 7, the horizontal feeder 20 for transporting the reader L conveyed to the lower position toward the back of the film supply chamber 2, and the lower feeder 10 for conveying the reader L conveyed to the lower position. A communication port 5 that is transported upward by the fed reader L and is opened and closed by a shutter 51.
Upper feeder 4 for feeding the film from 0 to the film setting chamber
0 is provided.

[0008] Here, the downward feeder 10 mounts an elevator 13 on a timing belt 12 stretched between the upper and lower pulleys 11, 11, and inserts an insertion groove 14 above the elevator 13.
The timing belt 12 is moved by the motor 15 to move the elevator 13 up and down, and the reader L having the lower edge inserted into the insertion groove 14 of the elevator 13 is conveyed downward.

On the other hand, in the lateral feed conveying device 20, pulleys 22 are attached to the upper and lower parts of a pair of front and rear rotary shafts 21, a belt 23 is stretched between the front and rear pulleys 22, and a support groove 24 is provided between the upper and lower belts 23. It is composed of a pair of left and right leader guide moving devices 26, 26 to which the leader guides 25 are attached at equal intervals. The leader guide moving devices 26, 26 are simultaneously driven by a single motor 27 to move the leader guide 25 to the leader guide 25. 2 is intermittently moved in the direction of the arrow in FIG. 2 as the feed amount, and the leader L whose side is inserted into the support groove 24 of the leader guide 25 is intermittently moved toward the back of the film supply chamber 2. Transport to.

When the reader L is transported downward by the downward feed transport device 10, both sides are inserted into the support grooves 24 of the leader guide 25. In addition, the elevator 13 of the lower feed conveyance device 10 moves further downward than the state where the reader L is supported at the bottom of the support groove 24, and the lower edge of the leader L is inserted into the elevator 13 by the movement. It comes out of the groove 14.

Further, the upper feeder 40 mounts a lift 43 on a timing belt 42 extending between the upper and lower pulleys 41, 41, and inserts an insertion groove 4 above the lift 43.
4, the timing belt 42 is moved by the motor 45 to move the elevating table 43 up and down, and when the elevating table 43 is raised, the lower edge of the reader L is inserted into the insertion groove 44 so that the reader L faces upward. Transport.

In the film setting chamber 3, a reader L fed by the upper feed conveyance device 40 is supplied with a developing unit 60.
Guides 70 and 71 and the reader L described above to the developing unit 6
And a feeding device 72 for feeding the cartridge P to the developing unit 60. The feeding device 72 feeds the leader L to the developing unit 60, and the cartridge P that moves together with the leader L is transferred to the film setting chamber 3.
Received by the patrone holder 73 provided inside the
When the rear end of the film F sent to the developing unit 60 is pulled out of the cartridge P, the cutter device 7
In step 4, the film F is cut.

The above-mentioned film supply apparatus has a feature that the film can be continuously developed because the reader L can be inserted into the input port 5 sequentially.

[0014]

By the way, it is considered that the film F connected to the leader L is taken up by the cartridge P, and when the cartridge P is hung by only the leader L, the cartridge P falls. However, if a shock is applied while the cartridge P is suspended, the cartridge P may fall and the film F may be pulled out.

If the patrone P drops in the event that the leader L is intermittently conveyed toward the back of the film supply chamber 2 by the horizontal feed conveyance device 20 of the film supply device, the film F is pulled out and the leader F is pulled out. When L moves toward the back of the film supply chamber 2, the film F may be further pulled out. At this time, the film F is exposed if the input port 5 is open.

The present invention is a further improvement of the film supply device already proposed, and when the film cartridge is dropped by the lateral feed transfer device as the leader moving device, the film is notified by notifying the drop of the film cartridge. The technical issue is to prevent excessive exposure.

[0017]

In order to solve the above-mentioned problems, in the present invention, in the above-mentioned film supply device, a transfer device is provided below a conveying path of a leader which is conveyed toward the back of the film supply chamber. When the cartridge falls from the reader, a detector for detecting the fall of the cartridge is provided, and a notification means for notifying the fall of the cartridge based on the detection signal of the detector is adopted.

In order to prevent the film from being pulled out for a long time due to the fall of the cartridge, a structure is employed in which a cradle for supporting the falling cartridge is provided below the moving device.

[0019]

As described above, according to the present invention, by providing the receiving table as described above, when the cartridge is dropped from the reader, the cartridge can be received by the receiving table, so that the film can be pulled out longer than necessary. Can be prevented. Further, when the detector detects that the cartridge has fallen, the notifying means operates to notify that the cartridge has fallen, and at that time the film supply chamber is shielded from light by closing the lid. Even if the film is pulled out from the cartridge for a long time, the film is not exposed.

[0020]

Embodiments of the present invention will be described below with reference to the drawings. The overall configuration of the film supply device is shown in FIG.
3 to FIG. 3, and a description thereof will be omitted.

As shown in FIG. 1, when a cartridge P is dropped from the leader L, the cartridge P is dropped below the leader conveyance path which is conveyed by the transverse conveyance device 20 toward the back of the film supply chamber 2. A cradle 28 is provided for receiving.

A cartridge detector 29 including a light emitting element 29a and a light receiving element 29b is provided on the pedestal 28. When the cartridge detector 29 detects the fall of the cartridge P, the detection signal is input to the control device 30 shown in FIG. When the lid detector 31 detects that the lid 4 that opens and closes the insertion opening 5 is open, the control device 30 causes the display 32 to display that the lid 4 should be closed and at the same time. The alarm device 33 issues an alarm.

On the other hand, when the lid detector 31 detects that the lid 4 for opening and closing the input port 5 is closed, the control device 30
Activates the lock mechanism 35 of the lid 4 via the drive circuit 34. Here, the lock mechanism 35 is made of a solenoid,
The solenoid excites the plunger 36 by the operation of the drive circuit 34 and closes the tip of the plunger 36 to the lid 4.
Is engaged with the engagement hole 37 formed in the above.

As described above, the pedestal 28 is provided below the leader transport path that is transported toward the depth of the film supply chamber 2 by the lateral transport apparatus 20, so that the cartridge P falls from the reader L. In addition, as shown in FIG. 4, the patrone P can be supported by the receiving table 28, so that the amount of the film F drawn from the patrone P can be suppressed to a minimum length that does not affect the image.

When the cartridge P falls, the control device 30 starts the process of the flowchart shown in FIG. 6 (process "100" and subsequent processes are omitted). When the cartridge detector 29 detects the fall of the cartridge P (10
1) The control device 30 causes the alarm device 33 to generate an alarm message (102). At that time, if the lid detector 31 detects that the lid 4 is open, an alarm message is generated during that period (102, 103).

On the other hand, the lid detector 3 indicates that the lid 4 is closed.
When 1 is detected (103), the lock mechanism 35 is activated (104), the lid 4 is locked (104), and normal film transport processing is performed (105).

If the cartridge detector 29 does not detect the fall of the cartridge P (101), normal film transport processing is performed (105).

As described above, if the patrone P falls while the lid 4 is open, the alarm 33 continues to output an alarm, so that the operator needs to know from the outside that the lid 4 must be closed. At this time, even if the film F is pulled out from the patrone P for a long time by the transport of the reader L by closing the lid 4, the film F is not exposed to light and the occurrence of trouble can be prevented beforehand.

The various transporting devices as the moving device for moving the leader in the film supply chamber are not limited to those of the embodiment.

[0030]

As described above, in the film supply device according to the present invention, when the moving device conveys the leader toward the back of the film supply chamber, if the cartridge drops from the leader, the notification means is activated. Since the fact that the cartridge has fallen is notified by the operator, the operator can know the fall of the cartridge from the outside. For this reason, it is possible to quickly take measures to prevent the film from being exposed to light by closing the lid, and it is possible to prevent the film from being exposed to light more than necessary.

Further, since the pedestal is provided below the moving device to receive the patrone, it is possible to prevent the film from being drawn out from the patrone more than necessary.
Even if the film is exposed to light when the lid of the inlet is open, the exposed length can be suppressed to the minimum length that does not affect the image.

[Brief description of the drawings]

FIG. 1 is a schematic diagram of a film supply device according to the present invention.

FIG. 2 is a cross-sectional plan view of the above.

FIG. 3 is a perspective view showing the horizontal transport device according to the first embodiment;

FIG. 4 is a sectional view showing an operation state of the above.

FIG. 5 is a block diagram of an embodiment.

FIG. 6 is a flowchart showing the operation of the embodiment.

FIG. 7 is a perspective view of a reader.

[Explanation of symbols]

 P Patrone F Film L Reader 2 Film supply chamber 3 Film setting chamber 5 Input port 20 Horizontal feed transport device 28 Cradle 29 Patrone detector 33 Alarm device

Claims (2)

(57) [Claims] 1. A film supply chamber after a leader of a film pulled out from a cartridge is connected to a leader, the leader is supplied to a film supply chamber from an input port, and is conveyed toward the back of the film supply chamber by a moving device. In the film feeder which is fed from the film set chamber to the developing unit, a detector for detecting the fall of the patrone when the patrone falls from the leader is provided below the transport path of the reader transported by the moving device. And a notifying means for notifying the fall of the patrone based on the detection signal of the detector. 2. The film supply device according to claim 1, further comprising a pedestal below the moving device for receiving the cartridge when the cartridge falls from the leader.