JPH0652394B2 - Roll film cutlet - Google Patents

Description

TECHNICAL FIELD The present invention relates to a roll film cutter that cuts a film fed from an upright roll film at a predetermined position.

"Prior Art" Conventionally, a portable roll film cutter is known in which a film is pulled out by a desired length from a roll film (original film) set in a horizontal position and cut by a cutter. However, since this roll film cutter cannot be used as a vertical type, for example, many types of films are used in plate making, so set the roll film for each type on the roll film cutter and place them side by side. I use it by stacking it up and down to save space.

"Problems to be solved by the invention" However, when the roll film cutters are stacked, since there are many kinds of films used, the roll film cutters are often stacked higher than the height of the operator's feet to the head, and therefore A worker in the range of waist height to chest height is relatively easy to use, but there is a problem that it is very difficult to use as it is even if it is higher or lower than this.

For this reason, some roll films can be automatically cut into a single body by containing multiple types of roll films, but this one uses a micro-computer and the device configuration is complicated. Therefore, there is a problem that it takes up a lot of space and becomes expensive.

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

"Means for Solving Problems" The present invention has the following configuration in order to achieve the above object. That is, a box main body having an opening on one side surface, a lid openably and closably attached to the opening, a vertical axis installed in the box main body, and an upper and lower part of the vertical axis. And a rotatable upper and lower discs, and the upper and lower discs on the outer periphery of the upper and lower discs.
A mounting mechanism for removably mounting a plurality of roll films in a standing position in the circumferential direction of the lower disc, and the upper disc located between the roll films and between the upper disc and the lower disc. ， A plurality of vertical guide rollers facing each other in the circumferential direction of the lower disk and provided with a predetermined gap therebetween.
A handle provided on the vertical guide roller for rotating the vertical guide roller, a guide member provided to face the opening and supporting and guiding the roll film fed from the vertical guide roller, and the guide. A cutter is provided between the member and the vertical guide roller so as to be vertically movable, and a drive mechanism connected to the cutter for vertically moving the cutter.

[Operation] Open the lid of the box body, and easily set up various kinds of rolls between the upper and lower discs and attach them, and rotate the upper and lower discs to position the desired roll film at the guide member position. Then, the handle of the vertical guide roller is operated to feed the film of the desired length from the roll film, and the film is easily cut between the vertical guide roller and the guide member by a cutter. This enables work at a height that is easy to work.

[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 9. In the figure, 1 is a box-shaped main body, and an opening 2 is formed on one side surface of the main body 1. Opening 2
A lid 3 is attached to the so as to be openable and closable via a hinge. The lid 3 is formed with a hole 3a for passing a film 16b which will be described later. A circular hole 4 is formed in the upper plate of the main body 1.

A vertical axis 5 is attached to a substantially central portion of the main body 1, and upper disks 6 and 7 are rotatably attached to an upper end of the vertical axis 5. The upper disc 6 has a larger diameter than that of the lower disc 7, and the upper disc 6 and the upper disc 7 are integrally coupled to each other with a predetermined space therebetween in the vertical direction. A lower disk 8 is rotatably attached to the lower end of the vertical axis 5. Four rollers 9 are rotatably attached to the upper plate of the main body 1 so as to be concentric with the vertical axis 5. These four rollers 9
Is brought into contact with the outer peripheral surface of the upper disc 6, whereby the upper discs 6 and 7 are rotatably supported about the vertical axis 5. A ring handle 10 is provided on the upper periphery of the upper disc 6.
Are connected.

The base ends of a large number of roll film shafts (original shafts) 12 are rotatable by a predetermined angle on the outer circumference of the lower disk 8 via a large number of brackets 11 provided at predetermined intervals in the circumferential direction. Is attached to. Reference numeral 12a is a stopper, which prevents the original shaft 12 from falling more than a predetermined angle with respect to the vertical line. Stepped flanges 13 and 14 are provided on both ends of the original shaft 12, respectively.
Is provided. The flange 14 is detachable. 15 is a set screw. The original shaft 12 has a winding core 1
A roll film (original film) 16 obtained by winding a film 16b around 6a is detachably attached by fitting a winding core 16a into a part of the flanges 13 and 14.

On the other hand, on the outer circumference of the upper disc 7, as shown in FIG. 5, a groove 17 which is located directly above the bracket 11 attached to the lower disc 8 and into which the upper end of the original shaft 12 can be fitted. Are formed in the radial direction. Further, the length of the raw fabric shaft 12 is set such that the upper end of the raw fabric shaft 12 is located below the upper disc 6 by a predetermined distance in the standing state. In the vicinity of the groove 17 of the upper disk 7, as shown in FIG. 6, a stopper (mounting mechanism) 18 having a claw 18a for fixing the raw shaft 12 fitted in the groove 17 is rotatable. It is installed.

When the raw fabric shaft 12 is fitted into the groove 17, the tip of the stopper 18 is pushed and lifted by the upper end of the raw fabric shaft 12, and when the upper end of the raw fabric shaft 12 is fitted into the groove 17, the stopper 18 is lowered. The claw 18a is caught on the upper end of the raw fabric shaft 12, and the upper end of the raw fabric shaft 12 is automatically fixed to the upper disk 7.

In addition, on the outer peripheral portions of the lower disk 8 and the upper disk 6, a predetermined distance is provided in the circumferential direction of the lower disk 8 and the upper disk 6 which are located outside the erected raw shafts 12. A large number of vertical guide roller shafts 19 are rotatably attached. These vertical guide roller shafts 19 are provided as a set between each of the standing original shafts 12 so as to face each other in the circumferential direction of the upper disk and the lower disk so as to face each other. Each vertical guide roller shaft 1
Both ends of 9 project from the upper disc 6 and the lower disc 8.

Further, between the lower disk 8 and the upper disk 6, frame-shaped guides 20, 21 having a tongue piece 20a, 21a shown in FIG. Has been done. Both ends of these guides 20 and 21 are fixed to the upper disk 6 and the lower disk 8, respectively. Tongue pieces 20a, 21a
Are opposed to each other, and a space approximately equal to the maximum thickness of the film 16b used is provided between the tongues 20a and 21a. Reference numeral 22 is a chamfer for facilitating entry of the film 16b.

Further, notches (not shown) are formed at predetermined intervals in the lengthwise direction (vertical direction) of the guides 20 and 21, and a predetermined number of vertical guide rollers having a predetermined length are formed in the notches. 23 is loosely fitted. These vertical guide rollers 23
Is a rubber roller, and each has a vertical guide roller shaft 19
It is fixedly attached to. A space approximately the same as the maximum thickness of the film used is provided between the vertical guide rollers 23, 23 that are fitted and fixed to the pair of vertical guide roller shafts 19, 19 and face each other.

The same gears (not shown) are attached to the protruding ends of the vertical guide roller shafts 19 from the lower disk 8, and the gears attached to the pair of vertical guide roller shafts 19 are mutually attached. It has been meshed.

A commercially available one-way clutch (not shown) is attached to one end of the pair of vertical guide roller shafts 19, and a vertical guide roller 23 described later is provided at the upper end of the vertical guide roller shaft 19. It is fixedly attached, and a handle 24 is attached to the upper surface of the vertical guide roller 23.

Further, guide members 25 and 26 having an L-shaped cross section are erected on the cover 3 at positions facing the guides 20 and 21 when the main body 1 is covered. These guide members 2
Numerals 5 and 26 are fixed to rotating shafts 27 and 28 which are rotatably attached to the upper disc 6 and the lower disc 8 and are erected. The same gear 27 is provided on the same end of the rotary shafts 27 and 28.
a, 28a are attached to these gears 27a, 28
a is meshed with each other. In addition, the guide member 25
The end of the actuator of the solenoid 29 in the horizontal state is connected to one end of the. The solenoid 29 is rotatably attached to the inner wall of the lid 3.

Further, a bracket 30 is attached to the inner wall surface of the lid 3, and a motor 31 is attached to the bracket 30 and is vertically positioned so that the chain wheels 32 and 33 are located.
Is rotatably attached. A meandering prevention plate 34 is provided between the chain wheels 32 and 33 so as to be connected to the bracket 30. In addition, tension chain wheels 35 and 36 are rotatably attached to predetermined positions of the bracket 30. A chain wheel 37 is attached to the rotary shaft of the motor 31, and the chain wheel 3 is attached.
A chain 38 is wound around 2, 33, 35, 36 and 37. A cutter 40 having a V-shaped cutting blade 39 is attached to the chain 38 at two predetermined positions, as shown in FIG. 41 is a limit switch for stopping or starting the cutter 40, which is electrically connected to a power source through a switch 42 and a control device (not shown).

A meter (digital length indicator) 43 is attached to the upper disc 6 so as to be in contact with the outer circumference of the vertical guide roller 23 on the upper disc 6. The meter 43 can display the type of film and can also indicate the feed length of the film 16b. The diameter of the vertical guide roller 23 is 100 / π
mm, and the instrument 43 indicates that the 100 mm film is fed every time the vertical guide roller 23 is rotated once.

Further, a recess 44 is formed on the outer periphery of the upper disc 6 so as to be located outside each vertical guide roller 23.

On the other hand, a lever 45 is attached to the main body 1 via a shaft 46 so as to be horizontally rotatable. The tip of this lever 45 is
It is connected to a compression spring 48 attached to the side wall of the main body 1 and is biased by this compression spring 47 to be fitted into the recess 44 on the outer periphery of the upper disc 6 so that the rotation of the upper disc 6 can be stopped. Has been done. Further, a handle 48 is attached to the lever 45, and this handle 48 is used for the main body 1
It is projected outward and is movable in the directions of arrows A and B in FIG. 3, and by moving the handle 48 in the direction of B, the tip of the lever 45 is separated from the upper disk 6,
The upper disc 6 can be freely rotated. In addition, 49 is a hook handle and 50 is a bearing. 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 lid 3 of the main body 1 is opened, and the tip of one stopper 18 attached to the upper disc 7 is manually lifted to pull out the upper end of the raw shaft 12 from the groove 17 and incline it as shown in FIG. Let At this time, the original fabric shaft 12 becomes the stopper 1
By the action of 2a, it stops at a position inclined by a predetermined angle with respect to the horizontal plane.

Here, the flange 14 is removed, and the original fabric 1 required for the original fabric shaft 12
6 is fitted and mounted, and the set screw 15 is tightened. After the original fabric 16 is mounted on the original fabric shaft 12, the original fabric shaft 12 is rotated upward and the upper end thereof is fitted into the groove 17 of the upper disc 7. Then, the stopper 18 automatically rotates upward, and as shown in FIG. 6, the claw 18a is caught outside the upper end of the raw fabric shaft 12, and the upper end of the raw fabric shaft 12 is fixed to the upper disk 7. Then, the outer end portion of the film 16b of the raw fabric 16 mounted on the raw fabric shaft 12 is pulled out, and the handle 24 is provided between the vertical guide rollers 23, 23 and the guides 20, 21 closest to the raw fabric 16.
Operate and insert.

Thereafter, the same operations as described above are applied to each of the original shafts 12 and the required original 16
Then, the original shaft 12 is attached to the upper disk 7, and the end of the film 16b of each original 16 is inserted between the vertical guide rollers 23, 23 and between the guides 20, 21.

Next, the main body 1 is covered.

When it is desired to cut a desired film from a roll film to a predetermined length and use it, the handle 48 is moved in the direction of arrow B shown in FIG. Then, the tip of the lever 45 is separated from the outer circumference of the upper disc 7, so that the ring handle 10
Manually, turn the desired film 16 film end to cover 3
When the handle 48 is separated from the guide members 25 and 26 of the above, the tip of the lever 45 is fitted into the recess 44 on the outer periphery of the upper disc 7 by the force of the compression spring 47, and the upper discs 7 and 6 are rotated. Block.

Here, the handle 24 is operated again to insert the film 16b between the vertical guide rollers 23 and 23; the guides 20 and 21 between the guide members 25 and 26, and send it out of the lid 3 through the hole 3a of the lid 3. To do. At this time, when the uppermost vertical guide roller 23 to which the handle 24 is attached is rotated once, the outer diameter is set to 100 / π mm, and therefore the film 16a is sent out 100 mm, and this is displayed on the instrument 43. .

Here, the film 16 delivered as shown in FIG.
When the user pushes the button of the switch 42 by holding the upper end of a, the operator of the solenoid 29 first expands and the tongue pieces 20a, 21a of the guide members 25, 26 become parallel to each other as shown in FIG. Then, the motor 31 is operated, the upper cutter 40 shown in FIG. 9 descends via the chain 38, and the film 16b between the tongues 20a and 21a of the guides 20 and 21 and the guide members 25 and 26 is removed. , Tongue 20a,
21a is cut at a position outside a predetermined distance. At this time, the cutter 40 at the lower position shown in FIG. 9 reaches the position near the upper end of the chain wheel 32, and the cutter 40
Since the motor 31 continues to operate a little further, it reaches the upper left position of the chain wheel 32 shown in FIG. 9, the cutter 40 that cuts the film 16b reaches the right side position of the chain wheel 33 shown in FIG. 9, and the motor 31 stops. Stop with. Therefore, the cut film 16b is stored in a predetermined place.

According to the present embodiment, the lid 3 of the main body 1 is opened to open each original shaft 12
The original web 16 can be attached to the original web shaft 12 very easily, and the original web 16 can be attached to the lower disk 8 and the upper disk 7 by turning the ring handle 10. The required original fabric 16 is positioned at a predetermined position, and the film 16b of this original fabric 16 is fed laterally from the main body 1 by the required length by turning the handle 24.
6b can be cut automatically to the required length.

[Advantages of the Invention] According to the present invention, a box body having an opening provided on one side surface, and a lid attached to the opening so as to be openable and closable,
A vertical axis mounted in the box body, an upper disk and a lower disk mounted on the upper and lower parts of the vertical axis and rotatable, and the upper circle on the outer circumference of the upper disk and the lower disk. And a mounting mechanism for removably mounting a plurality of roll films in the circumferential direction of the plate and the lower disc, and the upper part located between the roll films and between the upper disc and the lower disc. A plurality of vertical guide rollers facing each other in the circumferential direction of the disk and the lower disk and provided with a predetermined gap therebetween, and provided on the vertical guide roller for rotating the vertical guide rollers. And a handle provided opposite to the opening,
A guide member that supports and guides the roll film fed from the vertical guide roller, a cutter that is vertically movable between the guide member and the vertical guide roller, and a cutter that is connected to the cutter and moves the cutter up and down. The roll film can be set in a standing position on the main body because it is configured with a drive mechanism that allows the roll film to be stored in a large space and has a large accommodating force for the roll film, which is easy for workers to work. Now, the film can be fed by the required length, and moreover, by simply turning the handle on the upper end of the vertical guide roller and pressing the switch button, the film is fed from the roll film, and this film can be fed to the desired length. It is possible to provide a roll film cutter that can be cut with a blade, has a relatively simple structure, and is inexpensive.

[Brief description of drawings]

1 to 9 show an embodiment of the present invention,
FIG. 1 is a perspective view showing a state in which a film is fed and cut, FIG. 2 is a schematic perspective view, FIG. 3 is a cross-sectional plan view of an essential part, FIG. 4 is a partially omitted vertical cross-sectional view, and FIG. Figure is a plan view of the main part of the upper disk, Figure 6 is a schematic cross-sectional view of the main part of the upper disk, Figure 7 is a cross-sectional plan view of the part that guides the film, and Figure 8 is a guide for cutting the film. FIG. 9 is a cross-sectional plan view showing the state of the members, and FIG. 9 is a partially omitted side view showing the drive mechanism of the cutter. 1 ... main body, 2 ... opening, 3 ... lid, 5 ... vertical axis,
6,7 ... upper disc, 8 ... lower disc, 12 ... roll film shaft (original shaft), 16 ... roll film (original fabric), 18 ... stopper (mounting mechanism), 19 ... … Vertical guide rollers, 20, 21 …… Guides, 25,26 …… Guide members, 40 …… Cutters.

Claims (1)

[Claims] 1. A box main body having an opening on one side surface, a lid openably and closably attached to the opening, a vertical axis mounted in the box main body, and upper and lower sides of the vertical axis. An upper disc and a lower disc which are attached to the section and are rotatable,
Between the roll films, a mounting mechanism for removably mounting a plurality of roll films in a circumferential direction of the upper disc and the lower disc on the outer peripheral portions of the upper disc and the lower disc. And a plurality of vertical guide rollers that are located between the upper and lower discs and that face each other in the circumferential direction of the upper and lower discs and that are provided with a predetermined gap between them. A handle provided on the vertical guide roller for rotating the vertical guide roller, a guide member provided to face the opening and configured to support and guide the roll film fed from the vertical guide roller, and the guide member. A roll film cutter, comprising: a cutter provided between the vertical guide roller and the vertical guide roller so as to be vertically movable; and a drive mechanism connected to the cutter for vertically moving the cutter.