JPH066343Y2 - Sheet film loading / recovery device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a device for loading and collecting a sheet film such as an X-ray film into a cassette, and a sheet film loading / recovering method in which a sheet film conveying method is improved. It relates to the device.

[Prior art]

FIG. 5 is a sectional view of a sheet film loading / recovering device according to Japanese Patent Application No. 55-158186 proposed by the present applicant. First, the sheet film loading / collecting device will be described.

A dark box housing 3 whose interior is divided into three upper, middle, and lower chambers by two light-shielding walls 1 and 2, further shields the lower chambers.
It is separated by 4a and 4b.

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

The lower chambers 8a, 8b, 8c which are divided into three parts of the housing 3 accommodate the film supply portions 9a, 9b, 9c, which will be described later, respectively, and further, the magazine attachment portion 10a of the film supply portions 9a, 9b, 9c,
Mount the supply magazine Ba, Bb, Bc of any size containing the new film X ₁ on 10b, 10c.

FIG. 6 is a perspective view of the supply magazine. The supply magazines Ba, Bb, and Bc are provided with protrusions C having different positions depending on the size of the film to be inserted.

In FIG. 5, the projecting portion C of the supply magazine pushes the size detection micro switch S ₁ to determine the film size. When you open the shutter 11 of the supply magazine,
It detects microswitch S ₂ is the suction cup action is conventionally done by inserting the supply magazine to the roller 12 by suction one sheet films, Film X ₁
Are sandwiched by rollers 12 and conveyed. Micro switch S ₃
However, when the sheet film is detected, the conveyance is stopped and the standby state is set.

On the other hand, the upper chamber 13 of the housing 3 has a magazine mount 14
And a film storage section 15 following the same, and the receive magazine D is mounted in the film storage section 15.

FIG. 7 shows a top view of the cassette operating mechanism. The guide members 24, 24 are biased inward by a tension spring 25, and further, in order to be able to slide outward evenly against the tension spring 25, the shaft 26 inserted in the fixed bearings 27, 27. , 26 are provided with links 30, 30 connected to a movable bearing 29 inserted in a fixed shaft 28.

A bracket 31 is provided at the upper end of the fixed shaft 28 to regulate the upper limit movement of the movable bearing 29. Therefore, since the guide members 24, 24 are biased inward by the tension springs 25, the movable bearing 29 contacts the bracket 31 of the fixed shaft 28 and holds the preset minimum width.

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

In FIG. 7, 37 is an idle pulley, and when the motor 33 is driven, the roller 32 rotates via the belt 35. When the cassette A is inserted through the insertion opening 6, the cassette detection micro switch S ₄ 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 by the roller 32.

Stopper 24d for locking the front end of the cassette A is in the guide member 24, 24, there is 24d, the stopper 24d, the nearest location of 24d disposing the microswitch S ₅ for detecting the front end of the cassette A.

When the micro switch S ₅ detects the front end of the cassette A, the light shielding wall 7 is locked and the drive motor 33 of the cassette A is stopped.

Further, a plurality of micro switches S ₆ (see FIG. 5) for detecting the rear end of the cassette A are arranged in the middle of the guide members 24, 24 in accordance with the size of various cassettes in the insertion direction of the cassette A. Every time, micro switch S ₆ is cassette A
The size of the cassette A is determined by the number of detected.

According to the detected size of the cassette A, the film in the corresponding supply magazine is conveyed along the conveying path 59, stops at the position detected by the micro switch S11, and the cassette A is opened. Then, it waits for the photographed sheet film to be carried out.

An opening mechanism 38 is arranged directly above the guide members 24, 24. The opening mechanism 38 is provided with a lever 40 that rotates around a fixed shaft 39, and a shaft 41 on the opposite side of the shaft 39. The magnet 42 is provided.

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

A link 45 is provided in the substantially center of the lever 40 via a shaft 44,
A disk 47 is attached to the link 45 on the opposite side of the shaft 44 with the shaft 46.
The rotating shaft 48 of the disk 47 is coaxial with the fixed motor 49.

When the cassette A is inserted through the insertion opening 6, the micro switch S ₆ 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 operates and the motor 49
The disk 47 is driven to rotate once. Therefore, the magnet 42 attracts the iron plate 43 of the cassette A via the link 45 and the lever 40 to forcibly open the light shielding lid 18.

Next, the suction cup mechanism 50 operates in a conventional manner, and the suction cup 51 sucks the sheet film X ₂ which has been photographed into the cassette A and inserts it between the rollers 52. Upper roller group 53
Conveys the sheet film X ₂ upward, and when the micro switch S ₇ detects the sheet film X ₂ on the way, the shutter 55 of the opening 54 in the light shielding wall 1 is opened and at the same time, the supply of the same size as the cassette size is performed. The shutter 57 of the opening 56 in the light-shielding wall 2 in which the magazine B is mounted is opened, and the waiting sheet film of the same size as the cassette A is conveyed by the nip rotation of the roller 58 and the roller group 59.

When the above cassette operation is repeated, the film sheets that have been photographed are stored in the receive magazine D. When a considerable amount is stored, the receive magazine D is removed from the loading / collecting device main body, and the film attached to the automatic developing machine. It can be mounted on an automatic carrier and automatically processed.

The sheet film loading / collecting apparatus according to the above proposal is one in which this apparatus is directly connected to an automatic developing machine without providing a receive magazine or together with the receive magazine. The film X ₂ is directly loaded into the automatic processor.

Sheet film loading with such an automatic processor connected
Even in the collecting device, if the cassette A is opened and the photographed sheet film in the cassette A is carried out normally, the sheet film waiting by the micro switch S11 is stored in the cassette. Will be delivered to
If the cassette does not open even after repeating the cassette opening operation, or if the cassette does not eject the sheet film even if the cassette is opened, remove the cassette from the device and process the film film taken in the dark room. Insert a new empty cassette and load a new sheet film into this cassette, or if the cassette has been opened and the taken sheet film has not been transported, insert a new sheet film into this cassette. The cassette was taken out of the apparatus, and the sheet film that had been photographed in the dark room and the new film were separately processed. In this way, if the cassette does not open or the photographed sheet film in the cassette is not conveyed, the processing of the film waiting by the micro switch S11 matching the cassette A is complicated and time-consuming. Processing time is required, which will interfere with subsequent imaging / processing using the cassette.

[Problems to be solved by the invention]

The present invention is a sheet film loading / recovering device that simplifies the loading / recovering of a sheet film and improves the cycle time even if the cassette A cannot be opened or the film cannot be taken out. Another object of the present invention is to provide a sheet film loading / collecting device.

[Means for solving problems]

The present invention aims to achieve the above-mentioned object, in which a cassette is inserted, a sheet film in the cassette is taken out and conveyed to an automatic processor provided in the apparatus, while a new sheet film is transferred to the cassette. In the automatic sheet film loading / collecting device to be supplied inside, a transport path is provided which can be switched by the position movement of the guide plate for transporting the new sheet film at the standby position to the cassette or the automatic developing machine, The transport path of (1) has a part in common with the transport path for transporting the sheet film in the cassette to the automatic processor, and has a detection means for detecting the opening of the cassette and a detection means for detecting the presence or absence of the film in the cassette. When the cassette is opened by the detecting means and it is detected that there is no sheet film in the cassette, the cassette is in the standby position. When a new sheet film of the same size as the sheet film is loaded into the cassette and the cassette does not open or even when the cassette is opened and it is detected that there is a film in the cassette, the new sheet film in the standby position is used. This is achieved by an automatic sheet film loading / recovering device characterized in that a guide plate is moved so as to convey a sheet film to an automatic developing machine and a conveying path is switched.

〔Example〕

FIG. 1 is a sectional view of a sheet film loading / collecting apparatus to which an automatic developing machine according to an embodiment of the present invention is connected. Since the embodiment shown here has a structure very similar to that of the sheet film loading / collecting device described with reference to FIG. 5, a part of the description of the same structure and function will be omitted. Sheet film loading of the present invention described below
In the recovery device, it is a normal process to load the new film waiting at the detector S11 into the cassette A. However, if the new film cannot be loaded into the cassette A for some reason, the film path is changed immediately. By transporting the unexposed film to the automatic developing machine 16, the processing can be simplified and the cycle time can be shortened so that there will be no trouble in shooting and processing with the subsequent cassette. Is.

The operation will be described. When the cassette A is inserted from the insertion opening 6 of the apparatus main body, the film size is detected by the micro switch S ₆ of the detector in the cassette insertion path,
The unexposed new film of the above-mentioned film size is selected from any of the supply magazines Ba, Bb, and Bc and carried out, and comes to the film detector S11 in the middle of the carrying path and stands by.

The lid opening mechanism 38 operates in parallel with the above operation, and the light-blocking lid 18 of the cassette A is opened by the opening operation of the cassette A in the fixed position.
When the cover is opened, the photographed film in the cassette A is sucked by the suction device 75, the leading end of the film is inserted between the rollers 71 that rotate in the carry-out direction, and is conveyed to the upper side of the main body of the apparatus by the conveying roller group. As shown in FIG. 3 (a), there is a guide plate 83 above the main body of the apparatus, and the photographed film changes its direction to the right and descends downward by the conveyor 90.
It is carried into the automatic developing machine 16 connected to the conveyor 90, and the developing process is performed.

When the detector S13 detects that the cassette A has been opened, and the detector S12 detects and confirms that the sheet film has been carried out from the cassette A, the unexposed film waiting at the film detector S11. As shown in FIG. 2 (a), the conveying rollers 60 and 61 and the guide plate 65 change the direction to the left as shown by the arrow, and the conveying rollers 63 convey the articles so that they fall into the opened cassette A and are loaded. To be done.

Although the above description is for the normal operation, if the detector S13 or the detector S12 detects that the cassette A cannot be opened or that the photographed film cannot be taken out from the cassette A, FIG. As described above, the guide plate 65 rotates clockwise about the shaft 64 as a fulcrum to close the normal to the cassette, and at the same time, opens the straight passage to the automatic developing machine 16 as shown by the arrow. The unexposed film waiting at the film detector S11 goes straight as shown in FIG. 2B, and is further conveyed to the automatic developing machine 16 while changing its direction to the right by the guide plate and the conveying roller.

Further, in the sheet film loading / collecting apparatus also having the receive magazine 82 shown by the chain line in FIG. 1, the guide plate 83 rotates clockwise about the shaft 84 as a fulcrum as shown in FIG. Open the passage toward the automatic processor 16 direction. The unexposed film waiting at the film detector S11 is the second
As shown in FIG. 3 (b), the vehicle advances straight, and then, as shown in FIG. 3 (a), the automatic developing machine 16 is turned to the right by the guide plate and the conveying roller.
Be transported to.

FIG. 4 shows a flow chart of the present invention described above.

In the above embodiment, a control mechanism is provided so that a new film waiting by the micro switch S11 can be carried into the automatic processor when the cassette is not opened or the photographed film in the cassette is not carried out. However, in addition to this, if you want to empty the cassette and take it out of the machine, you can load a new film on standby to the automatic processor by pressing a button etc. provided outside the machine. Included in the present invention.

[Effect of device]

When a new film cannot be loaded in the cassette, the unexposed film is automatically conveyed to the automatic developing machine, and the photographed film in the cassette is conveyed to the automatic developing machine. Therefore, the troublesome work required for the processing is unnecessary, and the processing cycle time is shortened.

[Brief description of drawings]

FIG. 1 is a sectional view of a sheet film loading / collecting device according to the present invention. FIGS. 2 (a) and 2 (b) show the switching portion of the passage through which the new film is conveyed to the cassette, and FIGS. 3 (a) and 3 (b) show the passage through which the film is conveyed to the automatic processor or the receive magazine. It is a partial view showing a switching unit of.
FIG. 4 shows a flow chart of the operation in the present invention. FIG. 5 is a cross-sectional view of a conventional sheet film loading / collecting device, FIG. 6 is a perspective view of a supply magazine, and FIG. 7 is a top view of a cassette operating mechanism. S11 ... Film detector, A ... Cassette 16 ... Automatic processor, 60,61,73,76 ... Conveying roller 75 ... Suction device, 65,83 ... Guide plate 64,84 ... Axis, 82 ...... Receive magazine S12 …… Film presence detection means S13 …… Cassette opening detection means

Claims (1)

[Scope of utility model registration request] 1. A cassette (A) is inserted, a sheet film in the cassette (A) is taken out and conveyed to an automatic developing machine (16) provided connected to the apparatus, while a new sheet film is transferred to the cassette. Automatic loading of sheet film supplied in (A)
In the collection device, insert a new sheet film in the standby position into the cassette (A).
Alternatively, a conveyance path that is switched by the position movement of the guide plate (65) that conveys to the automatic developing machine (16) is provided, and the conveyance path to the automatic developing machine (16) is a sheet film in the cassette (A). And a detection means (S13) for detecting the opening of the cassette (A) and a detection means for detecting the presence / absence of a film in the cassette (A). (S1
2) is provided, and the cassette (A) is detected by the detection means (S13) (S12).
When the lid is opened and it is detected that there is no sheet film in the cassette (A), a new sheet film of the same size as the sheet film in the standby position is conveyed into the cassette (A), and the cassette If (A) does not open the lid, or even if the lid is opened and it is detected that there is a film in the cassette, the guide plate (to convey the new sheet film in the standby position to the automatic processor (16) ( 65) An automatic sheet film loading / collecting device, which is configured to move and switch the transport path.