JPH0612412B2 - Roll film cutter - Google Patents

Description

TECHNICAL FIELD The present invention relates to a roll film cutter that cuts a film fed from a roll film stock set in a horizontal position into a predetermined length.

[Prior Art] Conventionally, there is known a portable roll film cutter that pulls out a film from a raw roll film set in a horizontal position by a desired length and cuts the film with a cutter.

However, when this roll film cutter is used in, for example, plate making, it is necessary to use many kinds of films, and when many roll films are arranged side by side, it takes a lot of space. Each type is used by setting it on the roll film cutter in a stacking form.

"Problems to be solved by the invention" However, when a large number of roll film stocks are set in the roll film cutter in a stacked state, there are many kinds of films used, and therefore, the roll film is higher than the height from the feet of the worker to the head. In many cases, the cutters are piled up. Therefore, it is relatively easy to pull out the film from the roll film stock located in the range from the waist height of the worker to the chest height and use it. There is a problem that it is very difficult to use as it is even if the counter position is higher or lower than this range.

Further, when a film is used, the operator himself pulls out the film from the original roll film to a desired length and cuts it with a cutter, which is not only difficult to cut but also requires a wide cutting place.

Therefore, the present inventor has paid attention to whether or not it is possible to set the horizontally placed roll film stock in a multi-axial state between the side plates facing each other on the left and right, and to realize an easy-to-use product in this way. The roll film stock to be used must always be positioned quickly and easily in front of the operator so that the film of the desired length can be easily cut, which is difficult. .

It is an object of the present invention to provide a roll film cutter that solves the above problems of the conventional one.

"Means for Solving the Problem" The present invention has the following configuration in order to achieve the above object. That is, a first aspect of the present invention is a roll film cutter in which a roll film original fabric is rotatably and detachably supported between two side plates that are separated and opposed to each other, and is coaxial between the two side plates. Two rotating discs that are rotatably provided so as to be spaced apart from each other in parallel and opposed to each other, and between the outer peripheral portions of the two rotating discs at a plurality of positions spaced in the circumferential direction of the two rotating discs. A film can be delivered by the film delivery mechanism from a roll film stock that is rotatably and detachably provided between two connected hanger plates that have a plurality of connected hanger shafts and a film delivery mechanism that are spaced apart and face each other The original fabric hanger unit that is detachably hung on the plurality of hanger shafts, the lock mechanism that locks the rotating disc on the side plate so that the rotating disc can be unlocked, and the rotating disc connected to the rotating disc. A rotation driving mechanism, a film cutting mechanism for cutting the film fed by the film feeding mechanism into a predetermined length, and a rotation angle detecting means attached to the rotation disc rotation driving mechanism for detecting a rotation angle of the rotation disc. A film speed detection means attached to the film feeding mechanism for detecting a film speed, and a detection signal of the rotation angle detection means as an input signal for rotating the rotary disc by a predetermined rotation angle to stop the film and detecting the film speed. A controller for operating the film cutting mechanism by determining the film feed length by using the detection signal of the means as an input signal.

A second aspect of the invention is a roll film cutter in which an original roll film is rotatably and detachably supported between two side plates that are separated and opposed to each other. The pair of endless belts are rotatably provided to face each other, a pair of endless belts wound around the pulleys, and a plurality of mounting portions provided at intervals in the traveling direction of the pair of endless belts. A plurality of hanger shafts that are connected to each other and two hanger plates that have a film feeding mechanism and are connected to face each other at a distance from each other. An original fabric hanger unit that can be delivered and is detachably hung on the plurality of hanger shafts, and a lock that locks the original fabric hanger unit on the side plate so that the original fabric hanger unit can be unlocked. Locking mechanism, a pulley rotation driving mechanism connected to the pulley, a film cutting mechanism for cutting the film fed by the film feeding mechanism to a predetermined length, and a rotation angle of the pulley attached to the pulley rotation driving mechanism. Rotation angle detecting means for detecting the rotation speed, a film speed detecting means attached to the film feeding mechanism for detecting the film feeding speed, and a detection signal of the rotation angle detecting means is used as an input signal to rotate the pulley by a predetermined rotation angle and stop. And a controller for operating the film cutting mechanism by determining the film feed length by using the detection signal of the film speed detecting means as an input signal.

[Operation] According to the first aspect of the invention, in the state in which the lock mechanism is released, the original fabric hanger unit in which the original roll film is set is suspended on the hanger shaft of the rotating disc, and the rotating disc rotation drive mechanism is provided. When is activated, the rotating disk rotates.

Therefore, when a signal is input to the controller to stop the desired original fabric hanger unit in the film take-out section, the desired original fabric hanger unit stops in the take-out section. Then, the lock mechanism works to lock the hanger plate on the side plate.

Therefore, when the film feeding mechanism is operated, the film is fed from the original roll film, hangs downward, and when the film is fed to the desired length, the film cutting mechanism is operated to cut the film by this film cutting mechanism. To do.

According to the second aspect of the invention, in the state where the lock mechanism is released, the original fabric hanger unit in which the original fabric of the roll film is set is suspended on the hanger shaft provided in the endless belt, and the pulley rotation drive mechanism is provided. When actuated, the endless belt rotates.

Therefore, when a signal is input to the controller to stop the desired original fabric hanger unit at the film take-out section, the desired original fabric hanger unit stops at the film take-out section. Then, the lock mechanism works to lock the hanger plate on the side plate.

Therefore, when the film feeding mechanism is operated, the film is fed from the original roll film, hangs downward, and when the film is fed to the desired length, the film cutting mechanism is operated to cut the film by this film cutting mechanism. To do.

[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 11.

In FIG. 1, 1 is a box-shaped main body, and 2 is a leg provided on the main body 1. A rotary shaft 5 is provided between the side plates 3 and 4 of the main body 1. Both ends of the rotary shaft 5 project outward from the side plates 3 and 4 and are supported by bearings 6 and 6 provided on the side plates 3 and 4.

Inside the side plates 3 and 4, rotary discs 7 and 7 are attached to the rotary shaft 5 and are coaxial with the rotary shaft 5. A Geneva gear 8 is fixedly attached to the rotary shaft 5 between the one rotating disk 7 and the side plate 4, and
Is attached to the drive motor 9 shown in FIG.
The chain 10 is rotatably provided on the main body 1 and is connected to the chain 10 via an intermediate wheel 11 around which the chain 10 is wound, so that the chain 10 is rotated intermittently. In addition, 12 is a notch for rotating the Geneva gear 8, and 13 is a pin for rotating the Geneva gear 8. Then, the drive motor 9, the chain 10. The intermediate wheel 11, the pin 13, and the Geneva gear 8 constitute a rotary disk rotation drive mechanism 50.

Between the rotating discs 7 and 7, the hanger shaft 14 is provided at positions along the circumference of the rotating discs 7 and 7 on the same circumference in six equal parts.
Has been erected. Guide rollers 14a are rotatably fitted to the hanger shafts 14, respectively.
4 through the guide roller 14a to the original fabric hanger unit 15
Is hung freely.

The original fabric hanger unit 15 is configured as shown in FIGS. 2 and 3. That is, the hanger plates 16 and 17 which are separated and opposed to each other are connected in parallel by the connecting shafts 18, 19 and 20. Recesses 16a and 17a are formed in the upper portions of the hanger plates 16 and 17, respectively. A film support shaft 22 having flanges 21 and 21 at both ends is provided between the hanger plates 16 and 17 so as to be detachably attached to U-shaped bearings 23 and 23 fixed to the hanger plates 16 and 17, respectively. ing. The film support shaft 22 is provided with a roll film material 24 wound around a core shaft (cylindrical) 22a fitted to the flanges 21 and 21.

A film feeding roller 25 is rotatably mounted between the lower parts of the hanger plates 16 and 17 via a bearing 26 shown in FIG.

Above the film feeding roller 25, a bell crank-shaped lever 27 shown in FIG. 3 is provided on the hanger plate 16, 1.
The pins 28 and 28 fixed to the shaft 7 are swingably provided. A film pressing roller 29 is rotatably attached to one end of the levers 27, 27 on the film feeding roller 25 side. Compression springs 30 and 30 are mounted between the hanger plate 16 and the intermediate portion of the lever 27, and between the hanger plate 17 and the intermediate portion of the lever 27, respectively.
Thus, the film pressing roller 29 is urged toward the film feeding roller 25.

On the other hand, a cam shaft 31 is installed on the hanger plates 16 and 17. Cams 32 are fitted and fixed to both ends of the cam shaft 31, respectively. As shown in FIGS. 4 and 5, the cam 32 is formed by cutting out a part of the outer periphery of the disc to form an engaging surface 33 parallel to one diameter of the disc, and providing an operating lever 34 on the outer periphery. It has been done. The engaging surface 33 is detachable from the other end of the lever 27, and the cam 32 is rotated by the operating lever 34 to swing the lever 27 about the pins 28, 28 as a fulcrum, and the film feeding roller 25 is rotated. The pressing roller 29 can be brought into contact with and separated from the pressing roller 29. Then, the film feeding roller 25, the lever 27, the film pressing roller 2
A film feeding mechanism 38 is constituted by 9, the compression spring 30, the cam 32, and the like.

Film feeding roller 25, film pressing roller 2
9 is an L-shaped guide plate 3 on the side of the roll film original 24
5 are provided. One side of the guide plate 35 is made substantially horizontal, and its front end faces the film feeding roller 25 and the film pressing roller 29.

Film feeding roller 25, film pressing roller 2
A bent plate-shaped lower feed guide 36 and an upper feed guide 37 are provided on the opposite side of the guide plate 35 at a predetermined interval.

39 is a guide roller shaft provided between the hanger plates 16 and 17, and 40 is a guide roller made of rubber and fitted to the guide roller shaft 39.

A lid 41a, 4 is provided on the front surface (right side in FIG. 1) of the main body 1.
1b is rotatably provided. These lids 41a,
41b is normally in a vertical state, and at the time of replacement with the original fabric hanger unit 15, the lid 41a is rotated upward or downward to fix the lid 41a above and the lid 41b is fixed in a horizontal state. An elongated hole 42 is formed horizontally in the center of the lid 41b as shown in FIG. Hole 42
The film guide 43a is provided along one of the holes 42 on one side.
Is attached to the film guide 43b along the hole 42 on the other side. A small motor 44 is attached to the lid 41b, and chain wheels 45 and 46 are rotatably attached to the lid 41b in the left-right direction in FIG. These chain wheels 4
A meandering prevention plate 47 is provided between the members 5 and 46 by being connected to the lid 41b. Further, tension chain wheels 48, 49 are rotatably attached to predetermined portions of the lid 41b. The rotation shaft of the motor 44 has a chain wheel 5
0 is attached, and the chain 51, 45 is hung around the chain wheels 45, 46, the chain wheels 48, 49 for tension, and the chain 50. As shown in FIG. 6, a cutter 53 having a V-shaped cutting blade 52 is attached to two predetermined places of the chain 51.

Reference numeral 54 is a limit switch for stopping or starting the cutter 53, which is electrically connected to a power source through a switch and a controller (not shown). The motor 44, the chain wheels 45, 46, the tension chain wheels 48, 49, the chain wheel 50, the chain 51, the cutter 53, the limit switch 54, etc. constitute a film cutting mechanism 57.

A length measuring device (digital length display) 56 is attached to the hanger plate 17 in close proximity to the outer circumference of the film feeding roller 25 shown in FIG. The length measuring device 56 can display the type of film, and can display the feed length of the film 24a.

One end of the roll film roll 24 is pulled out from the roll film roll 24, placed on the guide plate 35, and fed to the film feed roller 25 and the film pressing roller 29.
Between the lower delivery guide 36 and the upper delivery guide 37,
Further, the hole 42 portion of the lid 41b film guides 43a, 43
It is passed between b and sent out.

The shaft end of the film feeding roller 25 on the side plate 4 side of the main body 1 is attached to the hanger plate 17 by a bearing 26 as shown in FIG.
It is supported via and protrudes from the hanger plate 17, and a follower 62b of the one-way meshing clutch 62 is fixedly attached to the protruding end.

On the other hand, the side plate 4 of the main body 1 is rotatably provided with an operation shaft 64 having a shaft 64a protruding from the center of one side portion of the stepped disc 63. A handle 65 is attached near the outer periphery of the other side of the stepped disc 63. Operation axis 64
The one-way meshing clutch 62 is provided at the tip of the shaft 64a of the
The main body 62a is fixedly attached.

On the other hand, a bracket (not shown) is provided on the side plate 4 of the main body 1, and the bell crank 6 shown in FIG.
An intermediate portion of 6 is rotatably attached via a shaft 67. One end of the bell crank 66 has the main body 62a.
The bell crank 66 is attached at its other end to a movement 68a of a solenoid 68 attached to the side plate 4 via a bracket (not shown). Further, a spring 69, which constantly biases the main body 62a toward the driven body 62b, is interposed between the main body 62a and the stepped disc 63 by being loosely fitted to the shaft 64a.
As a result, when the solenoid 68 is turned on, the bell crank 66 rotates about the shaft 67 in the clockwise direction in FIG. 11 and the driven body 62b of the one-way meshing clutch 62.
The main body 62a is separated from the solenoid 68, and the solenoid 68 is turned off.
Then, the force of the spring 69 causes the main body 6 to move toward the driven body 62b.
2a is pressed and moved so that the driven body 62a is engaged with the driven body 62b. With the main body 62a and the driven body 62b engaged with each other, the operation shaft 64 is rotated,
By rotating the driven body 62a in the direction of the arrow in FIG. 9, the film 24a can be fed out between the film feeding roller 25 and the film pressing roller 29. When the operation shaft 64 is rotated in the opposite direction to the above case, the main driving body 62a and the driven body 62b of the one-way meshing clutch 62 do not engage with each other, and the film 24
It cannot send a. The one-way meshing clutch 62, the operating shaft 64, the bell crank 66, the solenoid 68, the spring 69, and the like constitute a lock mechanism 61 that locks the rotary disc 7 on the side plate 4 so as to be unlocked.

Each original fabric hanger unit 15 is fitted in the recesses 16a and 17a of the hanger plates 16 and 17 on the hanger shaft 14 via the guide roller 14a, and is suspended on the rotating disc 7 as shown in FIG. .

Drive motor 9, motor 44, limit switch 5
4, a controller (not shown) is electrically connected to the film length detector 56 and the solenoid 68. Further, a plurality of push button switches (not shown) are connected to the controller.

This controller is provided with the rotary disc rotation drive mechanism 50 and is provided with a rotation angle detecting means (not shown) for detecting the rotation angle of the rotary disc 7, and with the film feed mechanism 38, the film feed speed is controlled. A film speed detecting means (film length detector 56) for detecting and a detection signal of the film speed detecting means while rotating the rotating disk 7 by a predetermined rotation angle using the detection signal of the rotation angle detecting means as an input signal. Is used as an input signal to determine the film feed length, and control for operating the film cutting mechanism 57 is performed.

Therefore, in order to stop the desired original fabric hanger unit 15 in opposition to the lid 43b in the vertical state, an electric signal is input and stored in the controller by pressing one of the push button switches among a plurality of push buttons (not shown). Thus, when the push button switch is pressed, the desired original fabric hanger unit 15 is at the front position of the main body 1 (position facing the lid 43b in the vertical state).
It is designed to stop at. In addition, consideration is given to light shielding in the required places.

Next, the operation of the roll film cutter configured as described above will be described. First, the lids 41a and 41b are opened. At this time, the solenoid 68 is turned on by the action of the controller.
In the N state, the driven body 62a is separated from the driven body 62b of the one-way meshing clutch 62, and the rotating disks 7, 7
Is ready to rotate.

Therefore, the film 24a of the original film hanger unit 15 with the roll film original film 24 mounted thereon is pulled out and placed on the guide plate 35, and the operation lever 34 is operated to rotate the lever 27 around the pin 28 to send out the film. The film pressing roller 29 is separated from the roller 25, and the film feeding roller 25 and the film pressing roller 29 are separated from each other.
The film 24 is placed between the lower delivery guide 36 and the upper delivery guide 37.
Pass a. Then, the operation lever 34 is operated to operate the lever 2
The engaging surface 33 of the cam 32 is engaged with the film 7, and the film 24a is pressed against the film feeding roller 25 by the film pressing roller 29.

Then, the respective original fabric hanger units 15 thus configured are hung on the respective hanger shafts 14 and the lids 41a and 41b are closed.

When it is necessary to take out the film, when a push button switch among a plurality of push button switches is pushed to stop the desired original fabric hanger unit 15 in front of the main body 1, the controller operates and the motor 44 Is activated, intermediate car 11
The Geneva gear 8 intermittently rotates via the, and the desired original fabric hanger unit 15 stops at the front position of the main body (position facing the lid 43b in the vertical state). Then, the solenoid 68 is turned off, and the force of the spring 69 causes the driven body 62a to mesh with the driven body 62b of the one-way meshing clutch 62.

Then, when the operation shaft 64 is manually rotated while holding the handle 65, the film feeding roller 25 is rotated, the film 24a is sent out of the main body 1 through the hole 42 from between the film guides 43a and 43b of the lid 41b, and the downward direction. Hang down. The length of the film 24a sent to the outside of the main body 1 is determined by the film length detector 56 provided close to the film sending roller 25, that is, the running speed of the film 24a, that is, the number of rotations of the film sending roller 25 per unit time. Is detected, and the controller calculates the sending film length based on the detection signal and displays it on the digital length display,
The rotation of the operating shaft 64 is stopped when the film 24a is fed out to the desired length by using this display as a guide.

Next, when a cutting push button switch (not shown) connected to the controller is pressed, the motor 44 is actuated, the chain 51 is rotated, and the cutter 53 is moved along the film guides 43a and 43b to move the film 24a. Disconnect.

At this time, the cutter 53 located at the right side shown in FIG. 6 reaches the position near the upper end of the chain wheel 45, and the cutter 53 continues to operate the motor 44 slightly further.
The cutter 53, which has reached the lower end position of the chain wheel 45 shown in the figure and cut the film 24a, reaches the upper end position of the chain wheel 46 shown in the figure, and stops when the motor 44 stops. Therefore, the cut film 24a is stored in a storage box (not shown) placed below the front portion of the main body 1.

Therefore, according to the present embodiment, the original fabric hanger unit 15
Since it is configured to be hung and stored on the hanger shaft 14 provided on the rotary disc 7, it is possible to store a relatively large number of roll film original fabrics 24 even in a place where the ceiling is low without taking up space, and The required film can be automatically and easily taken out, and the film 24a can be automatically taken out at a height position where the film can be taken out easily, and the required number of films 24a can be easily cut into a desired number of sheets. it can.

In the above embodiment, the original fabric hanger unit 1
5 is hung and stored on the hanger shaft 14 provided on the rotary disc 7, but the present invention is not limited to this. For example, as shown in FIG. Between the upper and lower sides of the side plates 72, 72, upper pulleys 73, 73 and lower pulleys 74, 74 are rotatably provided so as to face each other between the side plates 72, 72, and an endless chain made of a chain is provided between the upper pulley 73 and the lower pulley 74. A band 75 is wound to form a pair of endless bands 75, 75, and a plurality of mounting portions (not shown) provided at intervals in the traveling direction of the pair of endless bands 75, 75 are connected by a hanger shaft 76. Then, the original fabric hanger unit 15 having the same structure as that of the original fabric hanger unit 15 used in the above-described embodiment is hung on these hanger shafts 76, and the lower pulley 74 has a pulley rotary drive (not shown). It may be connected to mechanism 77.

In this embodiment, the same parts as those in the above embodiment are designated by the same reference numerals and the description thereof will be omitted.

In this embodiment, the pulley rotation drive mechanism 77 includes a drive motor 78 provided at the bottom of the main body 71, a pulley 79 attached to the rotation shaft of the drive motor 78, a lower pulley 74, and one side plate 72. Lower pulley shaft 8
It comprises a pulley 81 attached to 0 and a chain 82 wound around the pulleys 79 and 81.

Drive motor 78, motor 44 of film cutting mechanism 57,
A controller (not shown) is electrically connected to the limit switch 54, the film length detector 56, the solenoid 68 of the lock mechanism 61, and the like. A plurality of push button switches (not shown) are connected to the controller.

Further, this controller is provided with a pulley rotation driving mechanism 77 for detecting a rotation angle of the lower pulley 74, and a film speed detecting means for detecting a film feeding speed provided with the film feeding mechanism 38. The lower pulley 74 receives the detection signal of the rotation angle detection means as an input signal.
Is stopped by rotating the film by a predetermined rotation angle, the film feed length is determined by using the detection signal of the film speed detecting means as an input signal, and the film cutting mechanism 57 is operated by the operator inputting a film cutting mechanism operation signal. To do.

In this embodiment, since the main body 71 extends long upward, the lid 71a on the upper side is rotated to the laterally opened state, and the lid 71b on the lower side is rotated from the vertical state to the horizontal state.

The film cutting mechanism shown in FIG. 6 and the locking mechanism of the original cloth hanger unit 15 to the side plate 72 are the same as those in the above-mentioned embodiment, and therefore their explanations are omitted.

According to the present embodiment, the depth can be reduced to about 60 cm, and the height can be made considerably higher if allowed, and a height of at least 2.5 m can be secured, so that it can be stored in a narrow storage space. 20 or more roll film original fabrics 24 can be stored.

[Effect of the Invention] According to the first invention, since the original fabric hanger unit is hung and stored on the hanger shaft provided on the rotating disc, it does not take up much space.
It is possible to store a relatively large number of roll film rolls even in a place with a low ceiling, and from a roll film roll that is rotatably and detachably provided between two hanger plates that are separated and face each other and are connected. A film can be sent out by a film sending-out roller mechanism, a lock mechanism is provided on the side plate so that the rotary disk can be unlocked, a rotary disk rotation drive mechanism is connected to the rotary disk, and the film is sent out by the film sending-out mechanism. A film cutting mechanism for cutting the formed film into a predetermined length, and a rotation angle detecting means attached to the front rotating disc rotation driving mechanism for detecting the rotation angle of the rotating disc; and a film attached to the film feeding mechanism. A film speed detecting means for detecting the feeding speed, and the rotating disc with the detection signal of the rotation angle detecting means as an input signal. Since it is rotated by a predetermined rotation angle and stopped, and the film feed length is determined by using the detection signal of the film speed detection means as an input signal and the controller for operating the film cutting mechanism is provided, it is necessary at a height position where it is easy to take out. Various types of films can be automatically taken out easily, and
It is possible to automatically and easily cut out the required number of the taken out films to a desired length.

According to the second aspect of the invention, a pulley is rotatably provided so as to face the upper and lower portions of each of the two side plates, and an endless band is wound around the pulley to provide a pair of endless bands. Since the pair of endless belts are connected by a plurality of hanger shafts via a plurality of mounting portions provided at intervals in the traveling direction of the endless belt, the original fabric hanger unit is hung on the plurality of hanger shafts. The depth can be made smaller than that of the conventional roll film cutter. For example, by setting the height to 2.5 m or more, it is possible to store 20 or more roll film original fabrics in a storage place having a narrow depth.

Also, the film can be sent out from the roll film material roll that is rotatably and detachably provided between the two hanger plates that are separated and opposed to each other, and can be unlocked by locking the hanger plate on the side plate. A lock mechanism is provided, a rotation drive mechanism is connected to the pulley, and a film cutting mechanism is provided to cut the film fed by the film feeding mechanism into a predetermined length.
A rotation angle detecting means attached to the pulley rotation drive mechanism for detecting a rotation angle of the pulley, a film speed detecting means attached to the film feeding mechanism for detecting a film feeding speed, and a detection signal of the rotation angle detecting means. Since the pulley is rotated by a predetermined rotation angle as an input signal and stopped, and the controller for operating the film cutting mechanism by setting the film feed length by using the detection signal of the film speed detecting means as an input signal is taken out, It is possible to automatically and easily take out a required type of film at an easy height position, and it is also possible to easily and semi-automatically cut the required number of films into a desired length.

[Brief description of drawings]

1 to 11 show one embodiment of the present invention. FIG. 1 is a schematic vertical sectional side view, and FIG. 2 is II-II of FIG.
FIG. 3 is a side sectional view of the original fabric hanger unit, FIG. 4 is a side view of the cam, and FIG. 5 is a front view of the cam.
FIG. 6 is a plan view of the film cutting mechanism, FIG. 7 is a schematic front view of an essential part, FIG. 8 is a sectional view of the essential part, FIG. 9 is a perspective view of a part of the one-way meshing clutch, and FIG. Is a front view showing a part of the one-way meshing clutch, FIG. 11 is a side view showing a part of the one-way meshing clutch, and FIG. 12 is a schematic side sectional view showing another embodiment of the present invention. 1, 71 ... Main body, 3, 4, 72 ... Side plate, 7 ... Rotating disk, 9 ... Drive motor, 14, 76 ... Hanger shaft,
16, 17 ... Hanger plate, 24 ... Roll film stock, 24a ... Film, 25 ... Film feeding roller, 27 ... Lever, 29 ... Film pressing roller, 32 ... Cam, 34 ... Operating lever , 38 ……
Film feeding mechanism, 41a, 41b, 71a, 71
b ... Lid, 42 ... Hole, 44 ... Motor, 50 ... Rotating disk rotation drive mechanism, 51 ... Chain, 52 ... Cutting blade,
53 ... Cutter, 61 ... Lock mechanism, 62 ... One-way meshing clutch, 64 ... Operating shaft, 66 ... Bell crank, 68 ... Solenoid, 69 ... Spring, 73 ... Upper pulley, 74 ... Lower pulley, 75 ... Endless belt, 77
...... Pulley rotation drive mechanism.

Claims (2)

[Claims] 1. A roll film cutter in which a roll film original fabric is rotatably and detachably supported between two side plates which are separated and opposed to each other, and the two side plates are coaxially and parallelly separated from each other. Two rotating discs provided so as to face each other so as to be rotatable, and a plurality of connecting the outer peripheral portions of the two rotating discs at a plurality of positions spaced in the circumferential direction of the two rotating discs. Of the roll film stock provided rotatably and detachably between the hanger shaft and the two hanger plates which have a film feeding mechanism and are opposed to each other at a distance. An original fabric hanger unit that is detachably suspended on a plurality of hanger shafts, a lock mechanism that locks a rotating disc on the side plate so that the rotating disc can be unlocked, and a rotating disc rotation drive connected to the rotating disc. A structure, a film cutting mechanism for cutting the film fed by the film feeding mechanism into a predetermined length, a rotation angle detection means attached to the rotary disc rotation drive mechanism for detecting a rotation angle of the rotary disc, and A film speed detecting means attached to the film feeding mechanism for detecting the film feeding speed, and a rotation speed detecting means of the rotation angle detecting means as an input signal to rotate the rotating disc by a predetermined rotation angle to stop the film and the film speed detecting means. A roll film cutter comprising: a controller for operating the film cutting mechanism by determining the film feed length by using a detection signal as an input signal. 2. A roll film cutter in which a roll film original fabric is rotatably and detachably supported between two side plates which are separated and opposed to each other, and the roll film cutter is opposed to the upper and lower parts of each of the two side plates. The pair of endless belts are connected via a rotatably provided pulley, a pair of endless belts wound around the pulleys, and a plurality of mounting portions provided at intervals in the traveling direction of the pair of endless belts. With multiple hanger axes,
It has a film feeding mechanism and is connected facing away from each other.
A film from a roll film stock provided rotatably and detachably between a pair of hanger plates to enable the film to be delivered by the film delivery mechanism, and a stock hanger unit detachably suspended on the plurality of hanger shafts, and A lock mechanism that locks the original fabric hanger unit to the side plate so that it can be unlocked, a pulley rotation drive mechanism that is connected to the pulley, and a film cutting mechanism that cuts the film delivered by the film delivery mechanism to a predetermined length, A rotation angle detecting means attached to the pulley rotation drive mechanism for detecting a rotation angle of the pulley, a film speed detecting means attached to the film feeding mechanism for detecting a film feeding speed, and a detection signal of the rotation angle detecting means. As an input signal, the pulley is rotated by a predetermined rotation angle to stop and the pulley is rotated. Set the film feed length detection signal of Lum speed detection means as an input signal, roll film cutter, characterized in that it consists of a controller for operating the film cutting mechanism.