JPS5937823B2 - Method and device for pulling out terminals of film containing cartridges - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method and apparatus for pulling out a film end from a photographed film cartridge.

The object of the present invention is to provide a method for easily and quickly pulling out the ends of a film contained in a cartridge, and a film end pulling device that can be used directly to carry out the method. The method for pulling out the end of a film in a cartridge consists of the first step of fully inserting a band-shaped elastic first drawer plate into the film drawer opening of the cartridge, and then rotating the spool of the cartridge in the film winding direction. a second step of stopping the rotation of the spool by detecting the sound generated when the terminal slightly passes over the bent portion at the end of the second drawer plate inserted into the film drawer opening with a sonic detector; and a second step of reversing the spool. The third step is to unwind the film and align the end of the film along the inner surface of the first pull-out plate, and to pull out the elastic second pull-out plate in the form of a band with the tip bent downwards. The fourth step is to insert the film into the cartridge along the bottom surface of the board and sandwich the end of the film between both drawer plates, and simultaneously pull out both drawer boards from the film drawer opening of the cartridge with the end of the film sandwiched between them. This method is characterized by comprising a fifth step.

Hereinafter, embodiments thereof will be described in detail with reference to the drawings.

1 to 5 are explanatory diagrams of each process. In FIGS. 1 to 5, 1 is a cartridge, 2 is a photographed film, and 3 is a terminal of the film 2.

4 is a film drawer opening of the cartridge 1, and 5 is a spool of the cartridge 1.

Reference numeral 6 indicates a first drawer plate having a band-like elastic structure, and 7 indicates a tip end portion of the first drawer plate 6.

Reference numeral 8 denotes a second drawer plate having elasticity in the form of a band, and has a bent portion 9 bent downward at its tip.

10 is a sonic detector.

To pull out the terminal 3 of the film 2 contained in the cartridge 1, as shown in Fig. 1, fully insert the first drawer plate 6 into the cartridge 1 through the film drawer opening 4, and complete the first step. . Next, as shown in FIG. 2, when the spool 5 is rotated l clockwise, the film 2 is wound up, and its end 3 moves while slidingly contacting the inner surface of the first drawer plate 6, and is slightly pushed into the film drawer opening. The sonic detector 10 detects the sound generated when the inserted second drawer plate 8 passes over the bent end portion 9, and the rotation of the spool 5 is stopped to complete the second step. Next, as shown in FIG. 3, the spool 5 is reversed and the film 2 is rewound while the end 3 of the film 2 is aligned with the inner surface of the first pull-out plate 6 to complete the third step. Next, as shown in FIG. 4, the second drawer plate 8 is inserted into the cartridge 1 along the lower surface of the first drawer plate 6, and the end 3 of the film is sandwiched between both drawer plates 6 and 8. The fourth step is completed. Next, as shown in FIG. 5, when the fifth step is completed by pulling out both drawer plates 6 and 8 from the film drawer opening 4 at the same time, the end 3 of the film 2 is sandwiched between both the drawer plates 6 and 8 and becomes a cartridge. It is drawn from 1. If the third and fourth steps are not performed correctly, the end of the film will not be pulled out, so the end 3 of the film 2 can be pulled out from the cartridge 1 by repeating the steps starting from the first step. It is. The present invention uses sound to detect the end of the film in the cartridge, and uses this as an electrical signal, so the end can be stopped at the position where the film is most easily caught. The amount of money you can withdraw will be extremely high.

The device for pulling out terminals of film in a cartridge includes a first rotor that is interlocked with a first motor, a first elastic belt-like pull-out plate that is wound around the first rotor, and a second pull-out plate that is disposed on the side of the first motor. A second rotor that is interlocked with the motor, a second elastic pull-out plate that is wound around the second rotor and has a band-like shape with its tip bent downward, and a second rotor that is arranged on the side of the second rotor. A torque motor is connected to the cartridge spool when the cartridge is loaded into the cartridge loading section, and a torque motor is connected to the cartridge after the first drawer plate is inserted into the cartridge from the film drawer opening of the cartridge via the first motor. The spool is rotated in the film winding direction via the spool, and the torque motor is stopped by detecting the sound generated when the end of the film passes over the bent part at the end of the second drawer plate that is slightly inserted into the film drawer opening. The second drawer plate is inserted into the cartridge along the bottom surface of the first drawer plate via the second motor, and the end of the film is sandwiched between both drawer plates. After the film is loaded, the first and second motors are rotated in reverse to pull out both drawer plates and the end of the film.

Hereinafter, embodiments thereof will be described in detail with reference to the drawings.

FIG. 6 is a partially cutaway front view, and FIG. 7 is a partially cutaway plan view. In FIGS. 6 and 7, the symbols with numbers below 10 are the same as those in FIGS. 1 through 5. Reference numeral 11 denotes a machine base, which includes side walls 12 and 13.

Reference numerals 14, 15, and 16 are a first motor, a second motor, and a torque motor arranged on the machine base 11, respectively.

Reference numerals 17 and 18 denote a first rotor and a second rotor rotatably mounted between the side walls 12 and 13, respectively.

The first rotor 17 and the second rotor 18 are connected to the first motor 14 and the second motor 15 via deceleration interlocking mechanisms 19 and 20, respectively.
It is linked and linked. 21 is a deceleration interlocking mechanism for the torque motor 16.

A first drawer plate 6 is wound around the first rotor 17, and a second drawer plate 8 is wound around the second rotor 18. 22
is a cartridge loading section disposed on the side of the second rotor 18, which includes an insertion opening 22a that supports the film drawer opening 4 of the cartridge 1, and a magnet 22b that fixes the cartridge 1.
It is equipped with

The output shaft 23 of the deceleration interlocking mechanism 21 is supported via a spring 24 so as to be freely forward and backward, and the cartridge is loaded into the loading section 22 from the side so that the film drawer opening 4 of the cartridge 1 is inserted into the insertion opening 22a. At this time, the protruding part of the spool 5 of the cartridge 1 comes into contact with the output shaft 23 and moves the output shaft 23 backward against the spring 24 to engage the spool 5, so that the spool 5 is interlocked and connected to the torque motor 16. It's getting old. The sonic wave detector 10 is arranged near the insertion port 22a of the cartridge loading section 22. Reference numerals 25 and 26 are guide rollers arranged along the outer peripheries of the first rotor 17 and the second rotor 18, respectively, and 27 and 28 are roller guides.

Reference numeral 29 denotes an infrared detector disposed on the exit side of the insertion port 22a of the cartridge loading section 22, and infrared light projection holes are provided near the tips of the first drawer plate 6 and the second drawer plate 8.

In order to pull out the end of the film in the cartridge-containing film end pull-out device configured as described above, the first
Align the tips of the drawer plate 6 and the second drawer plate 8 so that they face the insertion opening 22a of the cartridge loading section 22, and then
The cartridge 1 is loaded into the loading section 22 from the side, the film pull-out opening 4 is inserted into the insertion opening 22a, and the tips of the first pull-out plate 6 and the second pull-out plate 8 are inserted into the film pull-out opening. Therefore, the first motor 14 is driven and the first
When the first drawer plate 6 is fully inserted into the cartridge 1 through the film drawer opening 4 via the rotor 17 (see Fig. 1), and the torque motor 16 is driven to rotate the spool 5 clockwise, the film 2 is The sonic detector 10 detects the sound generated when the terminal 3 is slightly rolled over the bent end portion 9 of the second drawer plate 8 inserted into the film drawer opening, and the rotation of the spool 5 is stopped. (See Figure 2). Next, when the torque motor 16 is reversed and the film 2 is rewound, the film 2 expands and its end 3 comes to align with the inner surface of the first drawer plate 6, and the frictional resistance gradually increases until it reaches a predetermined value. When the torque is reached, the torque motor 16 stops (see FIG. 3). Next, the second motor 15 is driven, and the second drawer plate 8 is moved along the lower surface of the first drawer plate 6 via the second rotor 18 to the cartridge 1.
Insert the film 2 between the drawer plates 6 and 8.
(See Figure 4). Next, when the first motor 14 and the second motor 15 are simultaneously driven in the reverse direction to simultaneously pull out both the drawer plates 6 and 8 from the film drawer opening 4, the end 3 of the film 2 is sandwiched between both the drawer plates 6 and 8. It is extracted from Patrone 1. When the end 3 of the film is pulled out, it can be detected by the infrared detector 29. The present invention uses a sonic detector to detect the end of the film in the cartridge, controls the drive motor, and uses a torque motor to rewind the spool, so it is easy to insert the second drawer plate. At the same time, the end of the film can be easily caught between both drawer plates, and by pulling out both drawer plates at the same time, the end of the film can be easily pulled out from the film drawer opening of the cartridge without damaging it. be.

[Brief explanation of drawings]

1 to 5 are explanatory diagrams of each process of drawing out the film end, FIG. 6 is a partially cutaway front view of the film end drawing device, and FIG. 7 is a partially cutaway plan view. 1...Patrone, 2...Film,
3...Film 2 terminal, 4...Film drawer opening, 5...Spool, 6...
...First drawer board, 7...Tip of first drawer board, 8...Second drawer board, 10...
...Sonic wave detector, 14...First motor, 15
......Second motor, 16...Torque motor, 17...First rotor, 18...Second rotor, 22...Patrone Loading section, 22a
...Insertion port, 22b...Magnet, 29.
...Infrared detector.

Claims (1)

[Scope of Claims] 1. A first step of fully inserting a band-shaped elastic first drawer plate into the film drawer from the film drawer opening of the cartridge, and rotating the spool of the cartridge in the film winding direction so that the end of the film is a second step of stopping the rotation of the spool by detecting the sound generated when the second drawer plate slightly inserted into the film drawer exceeds the bent portion at the tip using a sonic detector; and reversing the spool; A third step of rewinding the film and aligning the end of the film along the inner surface of the first drawer plate, and a second elastic band-shaped drawer plate with the tip bent downwards is attached to the first drawer plate. The fourth step is to insert the end of the film into the cartridge along the bottom surface and sandwich the end of the film between both drawer plates, and simultaneously pull out both drawer plates from the film drawer opening of the cartridge with the end of the film sandwiched between them. A method for pulling out a terminal of a cartridge-containing film, comprising a fifth step. 2. A first rotor that is interlocked with a first motor, a first elastic band-shaped drawer plate wrapped around the first rotor, and a second rotor that is interlocked with a second motor that is disposed on the side of the first motor. , a second elastic drawer plate in the form of a band, which is wound around the second rotor and whose tip is bent downward;
A torque motor is connected to the spool of the cartridge when loading the cartridge into the cartridge loading section placed on the side of the rotor, and a first motor is used to move the first drawer plate from the film drawer opening of the cartridge. After inserting it inside, the spool is rotated in the film winding direction via a torque motor, and the sound generated when the end of the film slightly passes over the bent part at the end of the second drawer plate inserted into the film drawer opening is detected. The second drawer plate is inserted into the cartridge along the lower surface of the first drawer plate via the second motor, and the second drawer plate is inserted into the cartridge between the two drawer plates. A device for pulling out a film end in a cartridge, characterized in that after the end of the film is sandwiched, the first and second motors are reversed to pull out both drawer plates and also pull out the end of the film.