JPH0136835Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a sheet film loading/retrieving device such as X-ray film, which has an improved sheet film conveying method. It is something.

[Prior art] Figure 1 is a practical application proposed by the present applicant in 1983.
158186 is a sectional view of a sheet film loading/recovering device. First, this sheet film loading/recovering device will be explained.

The dark box housing 3 is internally partitioned into three upper, middle, and lower chambers by two light-shielding walls 1 and 2, and the lower chamber is further partitioned by light-shielding walls 4a and 4b.

The cassette A can be inserted through an insertion opening 6 of an apron 5 on the front surface of the housing 3. The insertion opening 6 has a light shielding wall 7 which is locked in the closed position by a locking mechanism (not shown) during operation of the device.

The lower chamber 8a of the housing 3 is divided into three parts,
8b and 8c include a film supply section 9a, which will be described later.
9b, 9c, respectively, and a magazine mounting portion 10 of the film supply portions 9a, 9b, 9c.
Supply magazines of any size Ba, Bb, Bc with new film X ₁ in a, 10b, 10c
Attach.

Figure 2 shows a perspective view of the supply magazine, and the supply magazines Ba, Bb, and Bc have protrusions C that have different positions depending on the size of the film inside.
is attached.

In Figure 1, the protrusion C of the supply magazine
, press the size detection micro switch S ₁ to determine the film size. When you open shutter 11 of the supply magazine, there is micro switch S _2.
is detected, one sheet film is sucked from the supply magazine by a conventional suction cup operation and inserted into the rollers 12, and the film _X1 is pinched by the rollers 12 and conveyed. micro switch
When S ₃ detects a sheet film, the conveyance is stopped and the film enters a standby state.

On the other hand, the upper chamber 13 of the housing 3 is provided with a magazine mount 14 and a film storage section 15 following this, and a receive magazine D is attached to this film storage section 15.

FIG. 3 shows a top view of the operating mechanism of the cassette. The guide members 24, 24 are biased inwardly by a tension spring 25, and in order to be able to slide evenly outward against the tension spring 25, a shaft 26 inserted into fixed bearings 27, 27 is used. , 26, a link 3 connected to a movable bearing 29 inserted into a fixed shaft 28
0 and 30 are provided.

A bracket 31 is attached to the upper end of the fixed shaft 28,
The upper limit movement of the movable bearing 29 is regulated. Therefore, since the guide members 24, 24 are urged inward by the tension spring 25, the movable bearing 29 abuts against the bracket 31 of the fixed shaft 28 and maintains a preset minimum width.

When the cassette A is inserted along the upper inclined surfaces 24a, 24a of the guide members 24, 24, the guide members 24, 24 expand to the width of the cassette A against the tension spring 25.

In FIG. 3, 37 is an idle pulley, and when the motor 33 is driven, the roller 32 rotates via the belt 35. When cassette A is inserted from the insertion slot 6, the cassette detection micro switch _S4 detects the cassette and drives the motor 33. When both sides of the cassette A reach the rollers 32, the cassette A is further conveyed to the back by the rollers 32. be done.

The guide members 24, 24 are provided with stoppers 24d, 24d for locking the front ends of the cassettes A, and the positions closest to the stoppers 24d, 24d are for locking the front ends of the cassettes A.
A micro switch _S5 is installed to detect the front end of the

When the microswitch _S5 detects the front end of the cassette A, it locks the light shielding lid 7 and stops driving the transport motor 33 of the cassette A.

Further, between the guide members 24, 24, there is a micro switch _S6 (first
(see figure) are arranged in parallel in the insertion direction of cassette A according to the sizes of various cassettes, and the size of cassette A is determined based on the number of cassettes A detected by micro switch _S6 .

Corresponding to the detected size of cassette A, the film in the corresponding supply magazine is conveyed along the conveyance path 59, and the film is transferred to the micro switch S.
11 stops at the detected position and removes the cassette A.
Waits for the lid to be opened and the photographed sheet film to be taken out.

Directly above the guide members 24, 24, there is a lid opening mechanism 38.
This lid opening mechanism 38 is provided with a lever 40 that rotates around a fixed shaft 39, and a magnet 42 is provided with a shaft 41 on the opposite side of the shaft 39.

This magnet 42 is placed in such a positional relationship that when rotated about the shaft 39, it comes into contact with an iron plate 43 attached to the outside of the lid 18 of the cassette A at the position where the cassette A comes into contact with the stoppers 24d, 24d.

One end of the link 45 is attached to the lever 40 via the shaft 44 approximately in the center of the lever 40, and the link 45
The other end is attached via a shaft 46 to a portion offset from the center of a disk 47. Note that the rotation axis 4 of the disc 47
8 is coaxial with a fixed motor 49.

When the cassette A is inserted through the insertion opening 6, the micro switch _S6 detects the rear end of the cassette A and locks the light-shielding lid 7 in the closed position. Next, the lid opening mechanism 38
The motor 49 is driven to rotate the disk 47 once. Therefore, the magnet 42 attracts the iron plate 43 of the cassette A through the link 45 and the lever 40, and forcibly opens the light-shielding lid 18.

Next, the suction cup mechanism 50 operates in a conventional manner, and the suction cup 51 suctions, for example, the photographed sheet film X ₂ in the cassette A and inserts it between the rollers 52. The upper roller group 53 is a sheet film
Transport X ₂ upwards and insert micro switch S ₇ on the way.
detects the sheet film X ₂ , the shutter 55 of the opening 54 in the light-shielding wall 1 opens,
Opening 5 in the light-shielding wall 2 in which the supply magazine B of the same size as the above cassette size is installed.
Shutter 57 of No. 6 is opened, and a waiting sheet film of the same size as cassette A is conveyed by rotation of roller 58 and roller group 59.

By repeating the above cassette operation, the received sheet film will accumulate in the receive magazine D, and when a considerable amount has been accumulated, the receive magazine D will be removed from the main body of the loading/recovering device and the film attached to the processor will be automatically loaded. It can be attached to a transport device for automatic processing. Further, in the case of a sheet film loading/recovering device that is directly connected to an automatic processing machine, the sheet film discharged from the cassette is immediately conveyed to the automatic processing machine.

When cassette A is opened and the photographed sheet film in cassette A is taken out, the sheet film that was waiting at the position of the micro switch S11 is carried into cassette A, but the lid opening operation of cassette A If the lid does not open even after repeating the steps above, or if the sheet film in cassette A is not ejected even after cassette A is opened, please load the sheet film.
After taking out cassette A from the collection device, take out the photographed sheet film from cassette A in the dark room and process it, insert another empty cassette of the same size into the sheet film loading/recovery device, and then process it. Load the sheet film that was waiting at the micro switch S11 position into the cassette, or if the photographed sheet film is not taken out even after cassette A is opened, load a new sheet film into this cassette. sending,
This cassette was taken out and processed in the darkroom, separating the already shot sheet film from the new film. In this way, if the cassette does not open or the photographed sheet film in the cassette is not transported, processing of the film waiting at the position of the micro switch S11 that corresponds to cassette A is complicated and time-consuming. This wastes a lot of processing time and impairs the processing performance of the X-ray film.

[Purpose of invention]

This invention simplifies the loading and retrieval of sheet film in a sheet film loading and retrieving device.
Even in the unlikely event that cassette A cannot be opened or a photographed film cannot be removed from cassette A, the work will not be delayed due to such an accident.
The object of the present invention is to provide a sheet film loading/recovery device that has been improved to shorten the cycle time.

[Structure of the invention] The present invention aims to achieve the above object, and includes: a take-out means for taking out the sheet film in the inserted cassette; a first conveyance path for conveying the taken-out sheet film to a receive magazine;
Loading/loading of sheet film having a second conveyance path for conveying unused sheet film into the cassette
In the recovery device, a film standby mechanism waits the unused sheet film at a standby position in the middle of the second conveyance path, and a film standby mechanism waits the unused sheet film at the standby position, and transfers the sheet film waiting at the standby position to the receive magazine or the automatic developing device. a third conveyance path for conveying to;
a detection means for detecting whether or not the sheet film is taken out from the cassette by the take-out means; and when the detection means does not detect removal, the sheet film waiting in the standby mechanism is transferred to a third transport path. This is achieved by a sheet film loading/recovering device having a conveying control means.

〔Example〕

FIG. 4 shows a sectional view of the sheet film loading/recovering device according to the present invention. Supply magazines Ba, Bb, and Bc containing sheet films of different sizes are installed at the bottom of the main body of the device. As shown in FIGS. 5a and 5b, a guide plate 90 that moves around a shaft 91 is attached to the conveyance path that rises from below at the center of the main body.
Depending on the position of the guide plate 90, the sheet film sent from below is sent to cassette A or sent upward to receive magazine 8, which will be described later.
0 or an automatic developing machine 100. At the top of the main body, there is a guide plate 84 which is movable about a shaft 85 as shown in FIGS. 6a and 6b. A receive magazine 80 is attached to the front of the apparatus main body, and can be connected to an automatic developing machine 100 at the rear of the apparatus main body. Depending on the position of the guide plate 84, it is possible to select whether the sheet film fed from below is sent to the receive magazine 80 or to the automatic developing machine 100. Also automatic developing machine 10
It is also possible to transport the sheet film to the automatic developing machine 100 whenever 0 is connected.

Next, this operation will be explained. When cassette A is inserted into the main body of the apparatus, a sheet film of the size corresponding to the loaded cassette A is waiting at the micro switch S11. When the cassette A is opened, the photographed sheet film in the cassette A is sucked and conveyed to the receive magazine 80 or the automatic developing machine 100 by conveyance rollers. The opening detection member S12 detects that the cassette A is not opened, and the film existence detection member S12 detects that the photographed sheet film in the cassette is not taken out.
13, the guide plate 90 rotates clockwise about the shaft 91 as shown in FIG. automatic developing machine 100
If the sheet film is not connected, the guide plate 84 rotates counterclockwise about the shaft 85 as shown in FIG. When the automatic developing machine 100 is connected, the guide plate 84 rotates clockwise as shown in FIG.

When the automatic processor 100 is not connected as described above, the photographed sheet film discharged from the cassette A is also the new film that was waiting at the micro switch S11 and could not be carried into the cassette A. Both are transported into the receive magazine 80 by operating the respective guide plates. When the automatic developing machine 100 is connected, both the sheet film that has been photographed and the new film that could not be carried into the cassette A are carried into the automatic developing machine 100 and all are processed. FIG. 7 shows this flowchart.

Note that the above embodiment includes a control mechanism that causes the micro switch S11 to transfer a new film waiting in the receive magazine or automatic processor when the cassette does not open or the photographed film in the cassette is not taken out. However, in addition to this, when you want to empty a cassette and take it out of the device, you can press a button or the like provided outside the device to carry new film waiting into the receive magazine or into the automatic developing device. You can do it like this.

[Effect of idea]

Both the photographed sheet film in the cassette and the new film that could not be inserted into the cassette due to an accident are carried into either the receive magazine or the automatic processor. Even if there is a situation where the photographed film cannot be removed from the camera, the operation and functions of the loading/recovering device will not stop and the next cycle time can be operated without delay. Summer.

[Brief explanation of the drawing]

FIG. 1 shows a sectional view of a sheet film loading/recovering device. FIG. 2 shows a perspective view of the Suline magazine. FIG. 3 shows a top view of the operating mechanism of the cassette. FIG. 4 shows a sectional view of the sheet film loading/recovering device according to the present invention. FIGS. 5a and 5b show a partial view of the conveyance path to the cassette. Figure 6 a, b
7 shows a partial view of the conveyance path between the receive magazine and the automatic developing machine, and FIG. 7 shows its flowchart. Ba, Bb, Bc...Supply magazine, S11...
...Micro switch, A...Cassette, 80...
Receive magazine, 84, 90...Guide plate, 8
5,91...Shaft, 100...Automatic developing machine, S12
...Lid opening detection member, S13...Film presence/absence detection member.

Claims (1)

[Claims for Utility Model Registration] A take-out means for taking out the sheet film in the inserted cassette, a first transport path for transporting the taken-out sheet film to a receive magazine, and a transport path for transporting unused sheet film into the cassette. A sheet film loading/retrieval device having a second transport path, comprising: a film standby mechanism for waiting the unused sheet film at a standby position in the middle of the second transport path; and a film waiting mechanism for waiting the unused sheet film at the standby position. a third conveyance path for conveying the film to the receive magazine or the automatic developing device; a detection means for detecting whether or not the sheet film is taken out from the cassette by the takeout means; A sheet film loading/recovering device having a control means for conveying the sheet film waiting in the standby mechanism to the third conveyance path when the sheet film is not detected.