JPH05289289A - Film supply device - Google Patents

Abstract

PURPOSE:To prevent an abnormal curled leader from being fed in the developing part of an automatic film developing machine in a film supply device which supplies the leader to which undeveloped film is connected to the developing part of the developing machine. CONSTITUTION:A moving device for the leader L to which the film F is connected is provided in the film supply chamber 3 having a throw-in port at its upper part. A detector 20 for detecting the curl amount of the leader L is provided in a moving path for the leader L carried by the moving device. When the detector 20 detects the abnormal leader L whose curl amount is equal to or above a specified value, the moving device is stopped so as to stop carrying the leader L.

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 Generally, when developing an undeveloped film with an automatic film developing machine, as shown in FIG.
, And the leader L is advanced to feed the film F to the developing section.

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

As an automatic film developing machine for developing the film F, a plurality of the readers L shown in FIG. 6 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 section for development. The thing to process is conventionally known (refer Unexamined-Japanese-Patent No. 63-23155).

By the way, in the above-mentioned automatic film developing machine, there is a problem that the processing capacity is low because of batch processing using a plurality of films as one unit.

To solve the problem, the applicant of the present invention has already proposed an automatic film developing machine capable of continuously processing a large number of films (Japanese Patent Application No.
216990).

1 to 3 show the outline of the film supply device of the automatic film developing machine which the applicant of the present invention has already proposed. This film supply device has a film insertion box 1
A film supply chamber 2 and a film set chamber 3 are provided inside the film supply chamber 2, and a top plate of the film supply chamber 2 is provided with an input port 5 which is opened and closed by a lid 4. The film supply chamber 2 is inserted through the input port 5 6, the lower feed transport device 10 that transports the reader L downward, the lateral feed transport device 30 that transports the leader L that has been transported to the lower limit position toward the back of the film supply chamber 2, and the depth of the film supply chamber 2 A communication port 5 that conveys the sent reader L upward and is opened and closed by a shutter 51.
An upper feed transport device 4 that feeds from 0 to the film setting chamber 3
0 is set.

Here, in the lower feeding and conveying device 10, an elevating table 13 is attached to a timing belt 12 which is laid between upper and lower pulleys 11, 11, and an insertion groove 14 is formed on an upper part of the elevating table 13.
Then, the timing belt 12 is moved by the motor 15 to move the elevating table 13 up and down, and the reader L having the lower edge portion inserted into the insertion groove 14 of the elevating table 13 is conveyed downward.

On the other hand, as shown in FIG. 2 and FIG. 3, the transverse feeding / conveying device 30 has pulleys 32 attached to the upper and lower portions of a pair of front and rear rotating shafts 31, and a belt 33 is stretched between the front and rear pulleys 32 so that It comprises a pair of left and right leader guide moving devices 36 and 36 in which leader guides 35 having support grooves 34 are attached at equal intervals between the belts 33 of the belt 33, and these leader guide moving devices 36 and 36 are simultaneously driven by a single motor 37. 2, the leader guide 35 is intermittently moved in the direction of the arrow in FIG. 2, and the leader L whose side portion is inserted into the support groove 34 of the leader guide 35 is intermittently conveyed toward the back of the film supply chamber 2.

When the leader L is conveyed downward by the lower feed conveyer 10, both sides are inserted into the support groove 34 of the leader guide 35. Further, the elevating table 13 of the lower feeding / conveying device 30 moves further downward than the state in which the reader L is supported by the bottom of the supporting groove 34, and the lower edge portion of the reader L is inserted into the elevating table 13 by the movement. It is designed to come out of the groove 14.

Further, in the upper feed / transport device 40, an elevating table 43 is attached to a timing belt 42 spanning between the upper and lower pulleys 41, 41, and the insertion groove 4 is formed on the upper part of the elevating table 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 moves up, the lower edge of the reader L is inserted into the insertion groove 44 so that the reader L faces upward. Transport.

A developing section 60 is provided with a leader L fed into the film setting chamber 3 by an upper feed conveying device 40.
Guides 70 and 71 for guiding to the developing section 60, and a feeding device 72 for feeding the leader L to the developing section 60, and the feeding apparatus 72 sends the leader L to the developing section 60, and a cartridge P that moves together with the reader L is set in the film setting chamber. When the rear end portion of the film F received by the cartridge holder 73 provided inside 3 and fed to the developing unit 60 together with the leader L is pulled out of the cartridge P, the cutter device 74 cuts the film F. ing.

In the above film supply device, since the reader L can be sequentially inserted into the input port 5, the film can be continuously developed.

[0014]

By the way, as shown in FIG. 7, there is an abnormal leader L that is inserted in the loading slot 5 and is curled in the width direction. Once supplied, it can become clogged during transfer.

Conventionally, the use of the abnormal reader L is prohibited by the operator's judgment. However, since the operator's judgment is made, there are cases in which the operator makes a judgment error or is erroneously used.

It is a technical object of the present invention to solve the above-mentioned inconvenience and prevent the curled abnormal leader from being sent to the developing unit even if it is used by mistake.

[0017]

In order to solve the above-mentioned problems, in the present invention, the curl amount of the leader is detected on the conveyance path of the leader sent by the moving device, and the curl amount is an abnormal value or more. That is, a configuration is adopted in which a detector that stops the conveyance when the leader is detected is adopted.

[0018]

According to the present invention, as described above, the curl amount of the reader is detected by the detector, and when the abnormal reader with the curl amount being the specified value or more is detected, the conveyance is stopped. Can be prevented from being mistakenly sent to the developing section.

[0019]

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

The overall structure of the film supply device is shown in FIG.
3 to FIG. 4, and FIG. 4 is a plan view of the lower feeding and conveying device. In FIG. 4, the lift 13
Are supported up and down along guide grooves 17 formed on the inner surfaces of a pair of plate-shaped frames 16.

As shown in FIG. 5, the rear end of the reader detecting arm 18 is swingably supported by a pin 19 on the outer surface of the frame 16. Reader detection arm 18
When the leader L is conveyed downward by the elevating table 13, the tip end of the front end faces the transfer path of the reader L sent downward by the elevating table 13 and is rocked by the reader L.

A detector 20 is attached to the outer surface of the frame 16 below the reader detection arm 18. The detector 20 operates by swinging the reader detection arm 18 to detect the curl amount of the reader. That is, when the leader L is conveyed downward by the lower feed conveying device,
The detector 20 is turned on by the swing of the leader detection arm 18, and is turned off when the leader L is slightly fed toward the back of the film supply chamber 2 by the operation of the lateral feeding / conveying device 30. The curl amount of the reader L is detected by the time from the start of the operation of the feeding / conveying device 30 until the detector 20 is turned off.

The detector 20 drives the driving motor 15 of the lower feed conveying device 10 when the curl amount of the reader L is equal to or larger than a specified value.
And the alarm is activated at the same time. In addition, a reader L that cannot be used in the display unit (not shown)
Is displayed. Now, insert the reader L into the film supply chamber 2 from the input port 5,
Both sides of the leader L are provided with support grooves 34 of the leader guide 35.
When it is inserted into the insertion groove 14 of the elevating table 13 of the lower feed conveying device 30, the motor 15 operates and the reader L is conveyed downward by the downward movement of the elevating table 13.

When the reader L is conveyed downward by the elevating table 13, the reader detection arm 18 shown in FIG. 5 is swung by the reader L and the detector 20 is turned on.

When the leader L is fed to the lower side of the film supply chamber 2, the lateral feeding / conveying device 30 is operated and the leader L is fed.
Is conveyed toward the back of the film supply chamber 2. The movement of the reader L causes the reader detection arm 18 to swing, and the detector 20 is turned off. The detector 20 is the lateral transport device 3
The time from the start of operation of 0 to turning off depends on the curl amount of the reader L. In the case of a normal reader L with no curl, the detector 20 immediately turns off, and as shown in FIG. In the case of the reader L, the time until it is turned off is long, and the detector 20 determines whether it is the normal reader L or the abnormal reader L depending on the time.

The detector 20 is an abnormal reader L.
Is detected, the motor 37 of the lateral transport device 30 is stopped based on the detection signal. Therefore, the abnormal reader L is not conveyed, and troubles such as clogging can be prevented from occurring in the developing section.

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

[0028]

As described above, in the film supply device according to the present invention, the detector for detecting the curl amount of the leader is provided in the film supply chamber, and the conveyance is stopped when the detector detects the abnormal leader. Therefore, even if the abnormal reader is used by mistake, it is not sent to the developing section, and troubles such as clogging can be prevented in advance.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view schematically showing a film supply device according to the present invention.

FIG. 2 is a transverse plan view of the same as above.

FIG. 3 is a perspective view showing the above-described lateral feed transport device.

FIG. 4 is a plan view of the lower feed transport device of the above.

[Figure 5] Rear view of the above

FIG. 6 is a perspective view showing a state where a film of a cartridge is connected to the reader.

FIG. 7 is a perspective view showing a curled abnormal leader.

[Explanation of symbols]

 2 film supply chamber 3 film setting chamber 5 input port 10 lower feed transport device 20 detector 60 developing unit

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[Procedure amendment]

[Submission date] April 27, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 1

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction content]

[0017]

In order to solve the above-mentioned problems, in the present invention, the curl amount of the reader is detected in the conveyance path of the reader sent by the moving device, and the curl amount is a specified value or more . That is, the configuration is adopted in which a detector is provided to stop the conveyance when the above is detected.

Claims (1)

[Claims] 1. A front end of a film pulled out from a cartridge is connected to a leader, the leader is supplied into a film supply chamber from an input port, conveyed by a moving device, and then sent to a film set chamber following the film supply chamber, In the film supply device adapted to feed the film from the film setting chamber to the developing unit, the curl amount of the leader is detected in the leader conveyance path sent by the moving device, and an abnormal leader whose curl amount is equal to or more than a specified value is detected. A film supply device characterized in that it is provided with a detector for stopping the conveyance.